What was found
APU FAILED INFLIGHT LEFT GEN DEFERRED. EMERGENCY WAS DECLARED. FOUND APU SURGE VALVE DUCT DAMAGE. R&R SURGE VALVE DUCT PER AMM 49-50. R&R NR 1 ENG GENERATOR DRIVE AND CONSTANT SPEED DRIVE PER AMM 24-10. OPS AND LEAK CHK OF ALL OK.
- Difficulty date
- May 11, 2018
- Submitted
- May 17, 2018
- Operation
- Air carrier
- Aircraft
- N997DL
- Make and model
- Doug MD88
- Aircraft serial
- 53364
- Aircraft time
- 68,605 hours, 49,402 cycles
- Engine
- Pwa JT8D219
- Engine time
- 39,523 hours, 32,371 cycles
- System (JASC)
- 4950 · APU Bleed Air System
- Part
- Duct
- Condition
- Damaged
- Location
- Apu
- Stage of operation
- CL
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.