SDR NACA2022020500002

Service difficulty report · Not Reported · Boeing 767323

Difficulty date: February 5, 2022
Submitted: February 10, 2022
Operation: Air carrier
Aircraft: N321CM
Make and model: Boeing 767323
Aircraft serial: 29431
Aircraft time: 83,351 hours, 13,944 cycles
System (JASC): 4910 · APU Cowling/Containment
Part: Not Reported
Condition: Not Reported
Stage of operation: NR
How discovered: O
Nature of condition: O
Precautionary procedure: K

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

What was found

APU FAULT. IT CRANKED UP, EGT WENT TO 750 THEN GOT FAULT. TRIED SECOND TIME SAME RESULT. 49-00 PERFORMED FIM 49-11 FAULT TREE 988. APU STARTED CORRECTLY ON GROUND TWICE WITH ONE ATTEMPT. APU HEALTH CHECKS NORMAL PER B767-40, OK FOR SERVICE