What was found
APU FAILED CSS TEST, START ATTEMPS AT 400, 360, 320 FAULT LIGHT ON FOR 5 MIN AFTER EA START. ACFT GROUNDED. R & R APU FCU REF AMM 49-31-11. OPS AND LEAK CK GOOD.
- Difficulty date
- January 12, 2016
- Submitted
- January 14, 2016
- Operation
- Air carrier
- Aircraft
- N536AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35203
- Aircraft time
- 15,693 hours, 4,590 cycles
- System (JASC)
- 4930 · APU Engine Fuel and Control
- Part
- Fcu
- Part number
- 4419215
- Part serial
- CUC17889
- Condition
- Failed
- Location
- Apu
- Part time
- 4,049 hours, 7,038 cycles
- Stage of operation
- CR
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.