# SDR CALA2020050800919

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 4, 2020
- Submitted: May 9, 2020
- Operation: Air carrier
- Aircraft: [N78013](https://openairdocs.org/aircraft/N78013), registered now
- Make and model: Boeing 777224
- Aircraft serial: 29861
- Aircraft time: 102,426 hours, 10,202 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: D71702001
- Condition: Failed
- Location: Cabin
- Stage of operation: IN
- How discovered: V
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2020050800919

## Discrepancy

SUPPORT TASK - DR R4 EMERGENCY LIGHTING BATTERY PACK (M334090 CA PACITY FUNCTIONAL CHECK FAILED REF NR LP 9130037 DR R4 EMER LT BATTERY PACK (M33409) REPLACED AND INSTALLATION TE STED NORMAL AS PER AMM 33-51-06 AND ATTACHED FORM 44.0008 ITEM 1 TO 2 ACCOMPLISHED

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