# SDR ASAA2014062508356

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 25, 2014
- Submitted: June 27, 2014
- Operation: Air carrier
- Aircraft: [N565AS](https://openairdocs.org/aircraft/N565AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35181
- Aircraft time: 28,958 hours, 8,819 cycles
- System (JASC): [8012 · Engine Start Valves/Controls](https://openairdocs.org/jasc/8012)
- Part: Warning Light
- Condition: Illuminated
- Location: Start Valve
- Stage of operation: AP
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2014062508356

## Discrepancy

AT 9000 FEET DURING APPROACH, THROTTLES BACK, NR 1 ENGINE START VALVE OPEN LIGHT ILLUMINATED FOR APPROXIMATELY 1 MINUTE, TURNED BOTH IGNITION SWITCHES FROM CONTINUOUS TO OFF, THEN BACK TO CONTINUOUS, MOVED BOTH THROTTLES UP, LIGHT EXTINGUISHED.  ACFT GROUNDED.  SUSPECT NR 1 ENG PNEUMATIC STARTER CONTROL VALVE DEFECTIVE.  NR 1 ENG HAS BEEN REPLACED FOR UNRELATED BUSINESS REASONS.  STARTER OPS CKS CARRIED OUT ON TC 78471001 UNDER, W/O 263885. EXISTING STARTER PRIOR TO ENGINE CHANGE TRANSFERRED TO DEFECT SHOP W/O 264541.  NO HISTORY PREV 90 DAYS.

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