What was found
REPORTS OF #1 ENGINE START VALVE IS SLOW TO OPEN OR STICKING(#PRI: 2)ETOPS SIGNIFICANT SYSTEM. GROUNDED - YES. #1 ENG START VLV REPLACEMENT P.C.W. REF L/P 60014798 NO HITS LAST 4 DAYS CLEARS TSR 710553 SEAMC PAT NOTIFIED.
- Difficulty date
- March 1, 2021
- Submitted
- March 5, 2021
- Operation
- Air carrier
- Aircraft
- N577AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35186
- Aircraft time
- 50,299 hours, 14,963 cycles
- System (JASC)
- 8012 · Engine Start Valves/Controls
- Part
- Start Valve
- Part number
- 32896302
- Part serial
- 3636
- Condition
- Sticking
- Location
- #1 Engine
- Part time
- 91,006 hours, 42,882 cycles
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.