# SDR CALA2026082418819

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 22, 2026
- Submitted: August 24, 2026
- Operation: Air carrier
- Aircraft: [N36447](https://openairdocs.org/aircraft/N36447), registered now
- Make and model: Boeing 737924ER
- Aircraft serial: 31650
- Aircraft time: 44,298 hours, 16,424 cycles
- Engine: Cfmint CFM567B27
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: ADD71701100
- Condition: No Test
- 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/CALA2026082418819

## Discrepancy

OPERATIONAL CHECK OF EMERGENCY LIGHTS.   FIRST CLASS EEL LIGHTS INOP. REMOVED AND REPLACED FWD GALLEY CEILING EMERGENCY LIGHT POWER SUPPLY AND BATTERY PACK REF AMM 33-51-06-960-806 AND AMM 33-51-06-960-805. OPS CHECK GOOD. ALL EMERGENCY EXIT LIGHTS OPERATE. OK TO CONTINUE. PARTS USED:  99-3351-3-0015, QTY :1 29-3351-3-0031, QTY :1

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