What was found
APU CSS START FAULT LIGHT CAME ON. COOLED DOWN WITHIN 5 MINUTES. SECOND ATTEMPT SUCCESSFUL AT 35000. ACFT GROUNDED. REMOVED APU, REPLACED AIR INLET SIGMA SEAL IAW MM 49-15-11-400-801, 41581, INSTALLED, LEAK/OPS CHECKED APU.
- Difficulty date
- August 2, 2015
- Submitted
- August 5, 2015
- Operation
- Air carrier
- Aircraft
- N519AS
- Make and model
- Boeing 737890
- Aircraft serial
- 36482
- Aircraft time
- 24,939 hours, 7,470 cycles
- System (JASC)
- 4920 · APU Core Engine
- Part
- Seal
- Condition
- Failed
- Location
- Apu
- Stage of operation
- CR
- How discovered
- 9
- Nature of condition
- J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.