What was found
DURING NR 1 ENGINE START, VERY LOW N2 ROTATION TOPPING OUT AT 2.7%. START VALVE OPEN LIGHT DID ILLUMINATE. ACFT GROUNDED. REMOVED & REPLACED THE NR 1 START VALVE. OPS CHECKED GOOD.
- Difficulty date
- July 21, 2017
- Submitted
- July 24, 2017
- Operation
- Air carrier
- Aircraft
- N597AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35689
- Aircraft time
- 35,413 hours, 10,929 cycles
- System (JASC)
- 8012 · Engine Start Valves/Controls
- Part
- Start Valve
- Part number
- 32896302
- Part serial
- 9940
- Condition
- Failed
- Location
- Nr 1 Engine
- Part time
- 39,817 hours, 11,888 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.