# SDR DALA2020042102285

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 20, 2020
- Submitted: April 21, 2020
- Operation: Air carrier
- Aircraft: [N979DL](https://openairdocs.org/aircraft/N979DL), registered now
- Make and model: Doug MD-88
- Registry model: [Doug MD-88](https://openairdocs.org/model/mcdonnell-douglas-md-88) (OpenAirDocs)
- Aircraft serial: 53266
- Aircraft time: 75,317 hours, 55,721 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- 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/DALA2020042102285

## Discrepancy

THE CABIN EMERGENCY EXIT IDENTIFIERS FORWARD OF THE FORWARD OVERWING EXIT HATCHES, BOTH LEFT AND RIGHT ARE INOPERATIVE. MAINTENANCE REPLACED THE BATTERY PACK REF MD88 AMM 33-53. (LP #7133852)

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