What was found
#1 ENGINE START VALVE FAILED TO CLOSE AFTER ENGINE START. RAN QRH AND STILL DIDNT CLOSE. GROUNDED - YES. REPLACED #1 ENG START VALVE REF B737-900 AMM 80-11-03. OPS NORMAL.
- Difficulty date
- August 2, 2019
- Submitted
- August 6, 2019
- Operation
- Air carrier
- Aircraft
- N433AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 41704
- Aircraft time
- 22,775 hours, 7,415 cycles
- System (JASC)
- 8012 · Engine Start Valves/Controls
- Part
- Start Valve
- Part number
- 32896302
- Part serial
- 14952
- Condition
- Stuck
- Location
- Nr 1 Engine
- Part time
- 20,961 hours, 6,828 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.