What was found
APU INOPERATIVE. ACFT GROUNDED. REMOVED AND REPLACED APU IGNITION EXCITER UNIT IAW AMM 49-41-31. OPS CHECKED GOOD.
- Difficulty date
- July 27, 2017
- Submitted
- July 28, 2017
- Operation
- Air carrier
- Aircraft
- N517AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35197
- Aircraft time
- 32,930 hours, 9,795 cycles
- System (JASC)
- 4940 · APU Start/Ignition System
- Part
- Exciter
- Part number
- 38880587
- Part serial
- 100602
- Condition
- Failed
- Location
- Apu
- Part time
- 1,781 hours, 3,563 cycles
- Stage of operation
- NR
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.