What was found
NR 1 ENG NO N2 ROTATION WHEN START SWITCH TURNED TO GRD POSITION. GROUNDED - YES. REMOVED AND REPLACED START VALVE ON NR 1 ENGINE REF AMM 80-11-03-000-801-F00. LEAK CHECK VALVE, NO LEAKS NOTED.
- Difficulty date
- February 4, 2019
- Submitted
- February 6, 2019
- Operation
- Air carrier
- Aircraft
- N594AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35191
- Aircraft time
- 41,290 hours, 12,405 cycles
- System (JASC)
- 8012 · Engine Start Valves/Controls
- Part
- Start Valve
- Part number
- 32896302
- Part serial
- 10491
- Condition
- Failed
- Location
- Nr 1 Engine
- Part time
- 41,571 hours, 12,595 cycles
- Stage of operation
- TX
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.