What was found
FLT NO: N/A (MX) ESI - APU PNEUMATIC FUNCTIONS INOP, REPLACED APU SURGE VALVE PER AMM 49-53-01. OPS CHK NORMAL.
- Difficulty date
- June 3, 2023
- Submitted
- June 7, 2023
- Operation
- Air carrier
- Aircraft
- N888LT
- Make and model
- Boeing 757230
- Aircraft serial
- 25441
- Aircraft time
- 78,942 hours, 25,362 cycles
- System (JASC)
- 4900 · Airborne Auxiliary Power Unit (APU) System
- Part
- Surge Valve
- Part number
- 97980612
- Part serial
- 662C
- Condition
- Faulty
- Location
- Apu
- Stage of operation
- TX
- How discovered
- C
- Nature of condition
- S
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.