# SDR CALA2023050901424

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 9, 2023
- Submitted: May 9, 2023
- Operation: Air carrier
- Aircraft: [N2243U](https://openairdocs.org/aircraft/N2243U), registered now
- Make and model: Boeing 777-300ER
- Registry model: [Boeing 777-300ER](https://openairdocs.org/model/boeing-777-300er) (OpenAirDocs)
- Aircraft serial: 63723
- Aircraft time: 24,500 hours, 2,723 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: D71701100
- Part serial: 433673
- Condition: No Test
- Location: Ofar
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2023050901424

## Discrepancy

B777-33-3-7019:NO LIGHT AT OFAR ENTRANCE AND LEFT SIDE BUNK EMER GENCY LIGHT DURING OPERATION TEST.FOUND EMERGENCY LIGHT BATTERY (M33143) INOPERATIVE.PN OFF:D717-01-100, SN OFF:433673. EMERGENCY LIGHT BATTERY PACK REPLACED AS PER AMM 33-51-00. INSTA LLATION TEST CARRIED OUT,FOUND WORKING SATISFACTORY.PN ON:D717-0 1-100, SN ON:512797 WORK ACCOMPLISHED BY V943668

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