# SDR DALA2018091005506

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 10, 2018
- Submitted: September 10, 2018
- Operation: Air carrier
- Aircraft: N992DL
- Make and model: Doug MD-88
- Registry model: [Doug MD-88](https://openairdocs.org/model/mcdonnell-douglas-md-88) (OpenAirDocs)
- Aircraft serial: 53344
- Aircraft time: 68,451 hours, 49,253 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: 41B004AD07G3
- Condition: Discharged
- Location: Cabin
- 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/DALA2018091005506

## Discrepancy

TAIL COMPARTMENT WALKWAY CENTER EMERGENCY LIGHT OUT. REFERENCED WDM 33-51-13. FOUND NO POWER AT LAMP. REPLACED BATTERIES IN POWER SUPPLY B5-28 (LOCATED IN AFT RIGHT LAVATORY CEILING). OPS CHECK OK. PN'S OFF AND ON TWO 41B004AD07G3 BATTERIES.

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