# SDR CALA2026052516514

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 24, 2026
- Submitted: May 25, 2026
- Operation: Air carrier
- Aircraft: [N38459](https://openairdocs.org/aircraft/N38459), registered now
- Make and model: Boeing 737924ER
- Aircraft serial: 37206
- Aircraft time: 42,648 hours, 15,758 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: ADD71701100
- Condition: Inoperative
- Location: Zone 200
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2026052516514

## Discrepancy

EMERGENCY EXIT LIGHTS ON AFT RIGHT SERVICE DOOR NOT ILLUMINATING. TROUBLESHOOT WITH AWD 33-51-14-5 SUSPECTED BAD BATTERY , SLAVED IN BATTERY FROM LEFT SIDE, LIGHTS WORKED NORMALLY , PUT LEFT BATTERY BACK AND REMOVED THE INOP RIGHT SIDE BATTERY  FROM AC, CORRISPONDING BREAKERS ARE PULLED  IAW AMM 33-51-06-960-805, NO PARTS AVAILABLE IN SEA UPDATING TO MAKE SDR REMOVED AND REPLACED BATTERY IAW AMM 33-51-06-960-805, OPS CHECKED GOOD LIGHTS ALL WORK NORMALLY

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