# SDR DL72K001715

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 6, 2000
- Submitted: September 7, 2000
- Operation: Air carrier
- Aircraft: [N521DA](https://openairdocs.org/aircraft/N521DA), registered now
- Make and model: Boeing 727232
- Aircraft serial: 21472
- Aircraft time: 62,420 hours, 48,799 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Condition: Inoperative
- 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/DL72K001715

## Discrepancy

ON L/O, FOUND FWD RIGHT OVERWING EXIT EMERGENCY SIGN INOP.  REMOVED AND REPLACED BATTERY TRAY ASSY PER M/M, OPS CKS GOOD.

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