What was found
REF LP 11918694 CSF REQUIREMENTS, APU FAILED CSS. GROUNDED - YES. REPLACED APU LUBE MODULE REF B737-900 AMM 49-91-11 AND FUEL CONTROL UNIT REF AMM 49-31-11. OPS/LEAK CHECK OK.
- Difficulty date
- October 29, 2019
- Submitted
- October 31, 2019
- Operation
- Air carrier
- Aircraft
- N419AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 41734
- Aircraft time
- 26,275 hours, 8,521 cycles
- System (JASC)
- 4930 · APU Engine Fuel and Control
- Part
- Fcu
- Part number
- 4419215
- Part serial
- CUC13072
- Condition
- Faulted
- Location
- Apu
- Part time
- 10,348 hours, 19,286 cycles
- Stage of operation
- CR
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.