What was found
#1 ENGINE START VALVE OPEN LIGHT REMAINED ON AFTER START. GROUNDED - YES. REMOVED AND REPLACED #1 ENGINE START VALVE PER B737-900 AMM 80-11-03. FOUR MIG 51A'S INSTALLED AND REMOVED. OPS CHECK AND GROUND VERIFICATION GOOD.
- Difficulty date
- August 15, 2019
- Submitted
- August 19, 2019
- Operation
- Air carrier
- Aircraft
- N481AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 44106
- Aircraft time
- 16,016 hours, 5,234 cycles
- Engine
- Cfmint CFM567B27E
- System (JASC)
- 8012 · Engine Start Valves/Controls
- Part
- Start Valve
- Part number
- 32896302
- Part serial
- 17437
- Condition
- Failed
- Location
- Engine #1
- Part time
- 16,017 hours, 5,236 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.