Army Maintenance Status Codes: A Complete List

Using codes is a huge part of Army maintenance staff. Instead of writing out everything, there is a easier system by using a code system for paperwork and computer systems that will make sure the equipment is repaired properly and delivered back to the right personnel.

In today’s post, I am going to provide Army Maintenance Status Codes. You can copy and print these, and use them as “cheat sheets.” Now lets go through this long list as Army Maintenance Status Codes:

Failure Codes

Code             Issue

001 Gassy

002 Air leak

003 Tube circuit open filament

004 Low emission

007 Arcing

008 Chattering

009 Microphonic

015 Excessive electronic noise

020 Excessive wear

021 Overloaded

022 Low or no oscillation

024 Incorrect calibration

025 Incorrect capacitance

026 Cold solder joint

027 Collapsed

029 Incorrect current

031 Improper alignment

037 Unstable

040 Mechanical binding

050 Blistered

051 Tuning failure

055 Incorrect feedback

060 Brittle

061 Fused

064 Incorrect modulation

065 High VSWR

069 Flame out

070 Broken

079 Hot firing

080 Burned out

081 Interference

088 Incorrect gain

092 Low electronic power

105 Loose hardware

108 Broken safety wire

109 Buckled

111 Ruptured

114 Inoperative controls

115 Damaged

116 Cut

117 Deteriorated

118 Disconnected

120 Chafed

127 Improper adjustment

128 Air start failure

129 Backfire

135 Excessive friction or binding

159 Smoking

160 Defective connection

163 Slip ring failure

167 Incorrect torque

169 Incorrect voltage

170 Metal corrosion

171 Burred

179 Incorrect fuel pressure

180 Clogged

181 Low compression

190 Cracked

196 Shorted

200 Dented

201 Distorted

210 Poor detent action

214 Grooved

230 Dirty

231 Elongated

234 Excessive G forces

235 Dry

239 Improper fit

240 Flaking

248 Icing

250 Frayed

253 Misfiring

255 No or incorrect output

259 Over sized

263 Poor bonding

271 Sprung

274 Timing off

275 Undersized

279 Defective spray pattern

280 Fungus effect

281 Faulty instrument reading

290 Diagnostic test failure

293 Electrical power loss

295 Electronic interference

300 Grounded

301 Foreign object damage

305 No fuel cutoff

306 Contaminated

307 Oil leak

311 Hard landing

314 Slow acceleration

315 Inaccurate RPM readings

317 Hot start

318 Slow deceleration

320 High voltage breakdown

324 Faulty RPM governor

329 Starting stall

334 Incorrect temperature

340 Improper installation

350 Insulation breakdown

360 Intermittent

367 Indicating lights out

370 Jammed

372 Metal on magnetic plug

379 Gear tooth broken

381 Liquid leak

382 Vapor lock

398 Excessive oil consumption

405 Incorrect oil pressure

420 Condensation

425 Nicked

450 Open

457 Oscillating

461 Output too high

462 Output too low

464 Over speed

472 Blown fuse

473 Blown seal or gasket

476 Slow rate of feather

481 Over heating

500 Wrong level of lubrication

504 Sudden stoppage

507 Exposed to salt water

508 Exposed to high temperature

513 Compressor stall

519 Surges

520 Pitted

530 Reverse polarity

537 Low torque

540 Punctured

561 Inability to adjust limits

567 High resistance

568 Low resistance

585 Sheared

602 Failure because of other components

603 Oil in induction system

604 Manifold pressure above limits

622 Wet

627 Improper attenuation

640 Slippage

649 Sweep malfunction

660 Stripped

664 Incorrect tension

670 Unbalanced

680 Unstable

688 Energy response improper

689 Improper source output

690 Excessive vibration

692 Faulty video

693 Faulty audio

695 Incorrect sync

701 Warped

703 Improper amplitude

705 Beyond tolerances

710 Bearing failure

717 Accident damages

720 Brush wear

722 Defective weld

730 Loose

731 Battle damages

734 Incorrect rise time

740 High saturation resistance

748 Incorrect frequency

780 Bent

790 Adjustments out

799 No defect

807 Constant servo mag amp time

816 High total impedance

817 Low total impedance

840 Seized

844 Corona effect

845 Crystallized

846 Delaminated

855 Heat damage

900 Burned

908 Mis-wired

910 Chipped

916 Incipient failure indicated by spectrometric oil analysis

927 Pinched

935 Scored

945 Structural failure

947 Torn

964 Poor spectrum

968 Dioding

977 Incorrect pressure

999 Computer drive failure

Codes to Use When Failure Was Found

A Scheduled maintenance

B Handling

C Test

D Normal operation

E Storage

F Inspection

G Flight

H Other

J Calibration

Codes For Actions Performed

A Replacement
B Adjusted
C Repaired
D Fabrication of repair parts
E Services
F Initial inspection
G Final inspection
H Modification work orders
I N/A
J Tested
K In process inspection
L Removed and reinstalled
M Checked and not repairable at this station
N Checked and not repairable
O Overhaul
P Checked and servicable
Q Modification of work order removal
R Removed
S Installed
T Technical bulletin compliant
U Decontamination of item
V Special purpose alteration
W Hour or Odometer change
X Gun change
Y Special mission alteration
Z Safety recall order
0 Modification by replacement

8 Not able to perform maintenance action

9 Modification by replacement

Final Thoughts

These are the most used Army Maintenance Status Codes. Feel free to print off these and use them as a cheat sheet. I truly doubt there is any Maintenance Technician that can remember all of these codes.

If you need some other codes, I recommend you visit and read the Army Maintenance Management System (TAMMS) Users Manual (Army Pamphlet 750-8). Everything you need is printed there.

If you have any comments, tips or questions, you can post them below. Thank you.

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Email: chuck@part-time-commander.com

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