What was found
LEFT SPAR VALVE CLOSED LIT ILLUMINATED WITH ENG RUNNING. GROUNDED - YES. REPLACED THE LEFT SPAR VALVE ACTUATOR REF B737-900 AMM 28-22-11. OPS CK GOOD.
- Difficulty date
- January 1, 2020
- Submitted
- January 3, 2020
- Operation
- Air carrier
- Aircraft
- N486AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 44107
- Aircraft time
- 17,182 hours, 5,538 cycles
- System (JASC)
- 2820 · Aircraft Fuel Distribution System
- Part
- Actuator
- Part number
- MA30A1017
- Part serial
- AA535255
- Condition
- Failed
- Location
- Fuel System
- Part time
- 17,191 hours, 5,541 cycles
- Stage of operation
- TX
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- D
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.