What was found
RETURNED TO BLOCKS AFTER APU SHUTDOWN. REMOVED AND REPLACED APU SURGE CONTROL VALVE IAW AMM 49-53-01 OPS CHECK PER AMM 49-11-01 GOOD.
- Difficulty date
- June 14, 2019
- Submitted
- June 17, 2019
- Operation
- Air carrier
- Aircraft
- N640GT
- Make and model
- Boeing 7673S1
- Aircraft serial
- 25221
- Aircraft time
- 88,512 hours, 18,812 cycles
- System (JASC)
- 4940 · APU Start/Ignition System
- Part
- Valve
- Part number
- 97980612
- Part serial
- 0197BC
- Condition
- Malfunctioned
- Location
- Apu Surge
- Stage of operation
- TX
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- D
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.