# SDR FDEA200905121634

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 12, 2009
- Submitted: May 13, 2009
- Operation: Air carrier
- Aircraft: N579FE
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48470
- Aircraft time: 57,184 hours, 11,981 cycles
- System (JASC): [7830 · Engine Thrust Reverser](https://openairdocs.org/jasc/7830)
- Part: Switch
- Part number: CH251320
- Condition: Malfunctioned
- Location: Thrust Reverser
- Stage of operation: AP
- How discovered: O
- Nature of condition: J, E
- Precautionary procedure: E
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/FDEA200905121634

## Discrepancy

NR 1 ENGINE U/L RED LIGHT IN EPR GAUGE ILLUMINATED AT IDLE DESCENDING THROUGH FL 280 RAN QRH AND CONTINUED.  AT 8000 FT U/L LIGHT COME ON AGAIN WITH VIBRATIONS, RAN QRH AND SHUT ENGINE DOWN.  DFDR DATA RETRIEVED SHOWS AN INTERMITTENT U/L DETECTED IN FLIGHT (MATCHING CREW REPORT).  ADJUSTMENT WAS OUT OF LIMIT. ADJUSTED RT LWR STOW SWITCH AND OPS CHECK ALL NORMAL PER MM78-34-01-4. ALSO PERFORMED OPS TEST OF THRUST REVERSER SEVERAL TIMES AND OPS ALL NORMAL PER 78-30-00-5.

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