# SDR AMTA200600455

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 29, 2006
- Submitted: August 10, 2006
- Operation: Air carrier
- Aircraft: N514AT
- Make and model: Boeing 757-23N
- Registry model: [Boeing 757-23N](https://openairdocs.org/model/boeing-757-23n) (OpenAirDocs)
- Aircraft serial: 27971
- System (JASC): [4940 · APU Start/Ignition System](https://openairdocs.org/jasc/4940)
- Part: Valve
- Part number: 38761661
- Part serial: 5211
- Condition: Unserviceable
- Location: Apu
- Part time: 5,035 hours, 1,714 cycles
- Stage of operation: TX
- How discovered: C
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AMTA200600455

## Discrepancy

APU FAILED TO START.  FAULT LT ILLUM AND EICAS MSG APU FAULT DISPLAYED.  SECOND ATTEMPT INDICATES NO RPM RISE.  T/S IAW FIM.  REPLACED APU DE-OIL SOLENOID VALVE.  APU START AND BITE GOOD.  REF MM.  (K)

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