# SDR DALA1137759886

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 4, 2011
- Submitted: June 6, 2011
- Operation: Air carrier
- Aircraft: [N600TR](https://openairdocs.org/aircraft/N600TR), registered now
- Make and model: Doug DC-9-51
- Registry model: [Doug DC-9-51](https://openairdocs.org/model/mcdonnell-douglas-dc-9-51) (OpenAirDocs)
- Aircraft serial: 47783
- Aircraft time: 59,277 hours, 60,523 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Socket
- Condition: Inoperative
- Location: Catwalk
- Stage of operation: IN
- How discovered: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA1137759886

## Discrepancy

MAINTENANCE FOUND MIDDLE CATWALK EMERGENCY LIGHT INOPERATIVE.  MAINTENANCE REPLACED BAD BULB SOCKET PART NUMBER BR9644-21.  OPERATIONAL CHECK IS GOOD.

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