What was found
APU FAILED TO START, SEVERAL ATTEMPTS (NO ROTATION). GROUNDED - YES. ON DEFERRAL.
- Difficulty date
- July 20, 2023
- Submitted
- July 24, 2023
- Operation
- Air carrier
- Aircraft
- N530AS
- Make and model
- Boeing 737890
- Aircraft serial
- 36578
- Aircraft time
- 47,175 hours, 13,759 cycles
- System (JASC)
- 4940 · APU Start/Ignition System
- Part
- Unknown
- Part number
- UNKNOWN
- Condition
- Unknown
- Location
- Unknown
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.