# SDR DALA2019120206968

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 2, 2019
- Submitted: December 2, 2019
- Operation: Air carrier
- Aircraft: N916DL
- Make and model: Doug MD-88
- Registry model: [Doug MD-88](https://openairdocs.org/model/mcdonnell-douglas-md-88) (OpenAirDocs)
- Aircraft serial: 49591
- Aircraft time: 82,667 hours, 63,481 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Condition: Inoperative
- Location: Emergency Lights
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2019120206968

## Discrepancy

WORKING SERVICE CHECK FOUND EMERGENCY LIGHT (L1 EXIT, R1 EXIT AND FIRST CLASS LIGHT) INOP. REMOVED AND REPLACED EMERGENCY POWER SUPPLY B5 -211 AND BATTERY ASSY PER MD88 AMM 33-53 OPS TEST GOOD. (LP6030148)

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