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SDR NACA2025071704

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Service difficulty report · Apu · Boeing 767323

FAA SDR system

Difficulty date
February 4, 2025
Submitted
July 17, 2025
Operation
Air carrier
Aircraft
N379CX
Make and model
Boeing 767323
Aircraft serial
25199
Aircraft time
112,337 hours, 21,117 cycles
System (JASC)
4920 · APU Core Engine
Part
Apu
Condition
Faulted
Location
Zone 100
Stage of operation
TX
How discovered
O
Nature of condition
O
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

APU DID NOT START AFTER LANDING. PERFORM TROUBLESHOOTING AS REQ OR83208 02/06/25 1. OPENED APU DOOR ACCESS PANELS 315AL & 316AR IAW AMM 12-13-04-200-801 STEP D. PERFORMED APU OIL CHECK IAW AMM 12-13-04-200-801 FOUND LWR OIL LEVEL. PERFORMED APU OIL FILL IAW 12-13-04-613-001 OIL SERVICE OK ADDED 1.5 PINT. FOUND APU FAULT MESSAGE ON LWR EICAS DISPLAY (E1CASC) PERFORMED FAULT TREE 987 IAW FIM 49 FAULT CODE INDEX AND FIM 49-11 FAULT TREE 987 CLEARED APU FAULT MESSAGE AND PERFORMED OPS CHECK NO FAIL MESSAGE DISPLAYED.