What was found
STARTING APU ON GROUND, RECEIVED A FAULT LIGHT. ACFT GROUNDED. PERFORMED FIM 49-40, TASK 802, NO FLAME SHUTDOWN FAULT ISOLATION. PERFORMED APU START, OPERATIONAL CHECKED OPERATES CORRECTLY, DETERMINED AN INTERMITTENT FAULT.
- Difficulty date
- May 4, 2017
- Submitted
- May 8, 2017
- Operation
- Air carrier
- Aircraft
- N570AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35185
- Aircraft time
- 38,796 hours, 11,469 cycles
- System (JASC)
- 4940 · APU Start/Ignition System
- Part
- Warning Light
- Condition
- Intermittent
- Location
- Apu
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- N
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.