What was found
ETOPS SIGNIFICANT SYSTEM - UNABLE TO START APU 2 ATTEMPTS.// PERFORMED BITE CHECK OF APU AND FOUND IGNITION UNIT FAULTED. REMOVED AND REPLACED APU IGNITION UNIT PER AMM 49-41-03-404-010 OPS CHECK GOOD.
- Difficulty date
- December 10, 2018
- Submitted
- December 11, 2018
- Operation
- Air carrier
- Aircraft
- N583HA
- Make and model
- Boeing 76733A
- Aircraft serial
- 25531
- Aircraft time
- 108,200 hours, 19,582 cycles
- System (JASC)
- 4940 · APU Start/Ignition System
- Part
- Ignition Unit
- Part number
- 38880585
- Part serial
- 020218034600
- Condition
- Inoperative
- Location
- Apu
- Part time
- 25,684 hours, 4,857 cycles
- Stage of operation
- DE
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.