What was found
NR 1 ENGINE START VALVE FAILED TO OPEN DURING ENGINE START. GROUNDED-YES. NR 1 ENGINE START VALVE FROZEN. THAWED VALVE AND ENGINE NR 1 START, OPERATIONS NORMAL.
- Difficulty date
- December 19, 2020
- Submitted
- December 22, 2020
- Operation
- Air carrier
- Aircraft
- N585AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35683
- Aircraft time
- 49,145 hours, 14,808 cycles
- Engine
- Cfmint CFM567B27B3
- System (JASC)
- 8012 · Engine Start Valves/Controls
- Part
- Start Valve
- Part number
- UNKNOWN
- Condition
- Stuck
- Location
- Nr 1 Engine
- Stage of operation
- TX
- 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.