# SDR DALA2020041302239

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 11, 2020
- Submitted: April 13, 2020
- Operation: Air carrier
- Aircraft: N978DL
- Make and model: Doug MD-88
- Registry model: [Doug MD-88](https://openairdocs.org/model/mcdonnell-douglas-md-88) (OpenAirDocs)
- Aircraft serial: 53259
- Aircraft time: 74,041 hours, 55,378 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- 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/DALA2020041302239

## Discrepancy

THE L1 AND R1 OVERWING EMERGENCY EXIT SIGNS ARE INOPERATIVE. MAINTENANCE REPLACED THE BATTERY SUPPLY REF MD88 AMM 33-50. OPERATIONAL CHECK IS GOOD. THE AIRCRAFT IS OK FOR SERVICE. (LP #5497158)

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