# SDR CALA2026031614583

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 12, 2026
- Submitted: March 16, 2026
- Operation: Air carrier
- Aircraft: [N76526](https://openairdocs.org/aircraft/N76526), registered now
- Make and model: Boeing 737824
- Aircraft serial: 38700
- Aircraft time: 49,102 hours, 17,652 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: ADD71701100
- Condition: Faulted
- Location: Zone 200
- 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/CALA2026031614583

## Discrepancy

OPERATIONAL CHECK OF THE EMERGENCY LIGHTS.   EXTERIOR EMERGENCY LIGHT INOPERATIVE, LT SIDE AFT OF AFT EMERGENCY EXIT DOOR. REPLACED THE LAMPS LT AFT OVERWING EMERGENCY LIGHT IAW AMM 33-51-04-960-801.  NO HELP.  IAW FIM 33-50, TASK 801,  REPLACED THE LIGHT ASSY.   REMOVED AND REPLACED ASSOCIATED EMER LIGHT BATTERY PACK M1670 IAW AMM 33-51-06-960-805 AND POWER SUPPLY FUSE IAW AMM 33-51-06-960-804. OPS CHKD GOOD. OK FOR SERVICE.

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