What was found
DURING PREFLIGHT, DISCOVERED NR 1 ENGINE SPAR VALVE BRIGHT BLUE. IN DISAGREEMENT WITH START LEVER POSITION. ACFT GROUNDED 2W. REPLACED LT SPAR VALVE ACTUATOR IAW MM 28-22-11. OPS CHECKS GOOD.
- Difficulty date
- June 28, 2015
- Submitted
- June 30, 2015
- Operation
- Air carrier
- Aircraft
- N423AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 35206
- Aircraft time
- 8,530 hours, 2,744 cycles
- System (JASC)
- 2820 · Aircraft Fuel Distribution System
- Part
- Actuator
- Part number
- MA30A1001
- Part serial
- AA403580D
- Condition
- Failed
- Location
- Nr 1 Engine
- Part time
- 8,524 hours, 2,743 cycles
- Stage of operation
- IN
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.