# SDR YYFA20130220001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 20, 2013
- Submitted: March 26, 2013
- Operation: Air carrier
- Aircraft: N306FA
- Make and model: Doug DC-9-83
- Registry model: [Doug DC-9-83](https://openairdocs.org/model/douglas-dc-9-83) (OpenAirDocs)
- Aircraft serial: 49334
- Aircraft time: 76,282 hours, 33,916 cycles
- System (JASC): [7830 · Engine Thrust Reverser](https://openairdocs.org/jasc/7830)
- Part: Bypass Valve
- Condition: Malfunctioned
- Location: Thrust Reverser
- Stage of operation: TX
- How discovered: O
- Nature of condition: J
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/YYFA20130220001

## Discrepancy

AFTER ENGINE START BOTH LT AND RT REVERSER ACCUMULATOR LIGHTS ILLUMINATED ON.  FOLLOWED QRH LIGHTS STILL ON.  RETURNED TO GATE.  T/S AND FOUND T/R BYPASS VALVE PINNED, REMOVED AND STOWED PINS OPS CHECKED T/R SYS GOOD IAW AMM 78-31-00.

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