What was found
FAULT LIGHT ILLUMINATED DURING APU START ATTEMPT AT FL 330 SUCCESSFUL CSS ACCOMPLISHED AFTER FAULT LIGHT EXTINGUISHED. GROUNDED - YES. REMOVED AND REPLACED APU FUEL CONTROL PER B727-900 AMM 49-31-11.
- Difficulty date
- February 20, 2020
- Submitted
- February 24, 2020
- Operation
- Air carrier
- Aircraft
- N402AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 41189
- Aircraft time
- 28,674 hours, 9,283 cycles
- System (JASC)
- 4930 · APU Engine Fuel and Control
- Part
- Fuel Control
- Part number
- 4419215
- Part serial
- CUC18638
- Condition
- Faulty
- Location
- Apu
- Part time
- 7,481 hours, 14,458 cycles
- Stage of operation
- CL
- 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.