# SDR QXEA2009112000973

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 16, 2009
- Submitted: November 20, 2009
- Operation: Air carrier
- Aircraft: [N430QX](https://openairdocs.org/aircraft/N430QX), registered now
- Make and model: Bombdr DHC8402
- Aircraft serial: 4163
- Aircraft time: 6,536 hours, 7,050 cycles
- System (JASC): [4930 · APU Engine Fuel and Control](https://openairdocs.org/jasc/4930)
- Part: Solenoid Valve
- Part number: 49502401
- Part serial: 1999
- Condition: Malfunctioned
- Location: Fuel System
- Part time: 506 hours, 592 cycles
- Stage of operation: TX
- How discovered: O
- Nature of condition: B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/QXEA2009112000973

## Discrepancy

ATTEMPTED TO START APU, APU AUTO SHUTDOWN. RAMP REPORTED ALOT OF SMOKE. PLACED ON MEL 49-00-1. RETURNED TO SERVICE. MEL CLOSED ON 11-18-09. INTERROGATED CDS, FOUND CODE 102-3 ( UNDERSPEED) REMOVED AND REPLACED MAIN FUEL SOLENOID VALVE IAW AMM TASK 49-30-07-000-801 AND 49-30-07-400-801 C/W OP TEST OF APU IAW 49-00-00-710-801 OP CHECKS GOOD- (NOTE: TURBINE ROTATED FREELY NO TURBINE DRAG) C/W 3 START ATTEMPTS. ALL CHECKED GOOD. NO CURRENT FAULTS IN CDS.  RETURNED TO SERVICE.

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