What was found
APU WOULD NOT START AFTER 3 ATTEMPS. GROUNDED - YES. FOUND APU INLET DOOR BINDING + SHUTTERING. LUBRICATED APU INLET DOOR HINGES WITH OIL. OPS CHECK GOOD.
- Difficulty date
- May 17, 2022
- Submitted
- May 18, 2022
- Operation
- Air carrier
- Aircraft
- N477AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 40716
- Aircraft time
- 24,787 hours, 7,714 cycles
- System (JASC)
- 4910 · APU Cowling/Containment
- Part
- Door
- Part number
- UNKNOWN
- Condition
- Binding
- Location
- Unknown
- Stage of operation
- NR
- How discovered
- V
- Nature of condition
- J
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.