# SDR 2012F00091

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 16, 2012
- Submitted: May 16, 2012
- Operation: Air carrier
- Aircraft: N120MN
- Make and model: Doug DC-9-83
- Registry model: [Doug DC-9-83](https://openairdocs.org/model/douglas-dc-9-83) (OpenAirDocs)
- Aircraft serial: 53120
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: 60030451
- Part serial: 29831
- Condition: Discharged
- Location: Emergency Lights
- 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/2012F00091

## Discrepancy

DURING ROUTINE MAINTENANCE FWD EMERGENCY LIGHT RT INOPERATIVE. TROUBLESHOT AND FOUND BATTERY PACK WEAK.  R & R BATTERY PACK IAW AMM 33-50-00, OPS CHECKED GOOD.  ACFT RETURNED TO SERVICE.

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