What was found
APU INOPERATIVE. ACCOMPLISHED AN APU BITE IAW FIM 49-11/ 958, FOUND REVERSE FLOW FAULT. ACCOMPLISHED 49-11 FAULT TREE 965. REMOVED AND REPLACED APU SURGE VALVE IAW AMM 49-53-01, OPS CHECKED NORMAL.
- Difficulty date
- March 16, 2018
- Submitted
- March 19, 2018
- Operation
- Air carrier
- Aircraft
- N1321A
- Make and model
- Boeing 767306
- Aircraft serial
- 27957
- Aircraft time
- 81,938 hours, 18,982 cycles
- System (JASC)
- 4950 · APU Bleed Air System
- Part
- Valve
- Part number
- 97980612
- Part serial
- 343C
- Condition
- Failed
- Location
- Apu
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.