# SDR CALA2026070217521

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 1, 2026
- Submitted: July 2, 2026
- Operation: Air carrier
- Aircraft: [N73278](https://openairdocs.org/aircraft/N73278), registered now
- Make and model: Boeing 737824
- Aircraft serial: 31596
- Aircraft time: 66,185 hours, 24,164 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Condition: Inoperative
- Location: Zone 200
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2026070217521

## Discrepancy

LEFT EMERGENCY AISLE LIGHTING INOP FROM ROW 15 TO ROW 21 REPLACED FWD EMER BATTERY PACK IAW 33-51-06 AND ALSO REPLACED THE PAX SEAT RED LENSES FROM LH ROW 15 TO 21 IAW 33-51-11.

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