# SDR CALA2020050900923

- 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: D41402001
- Condition: Failed
- Location: Cabin
- 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/CALA2020050900923

## Discrepancy

SUPPORT TASK - DR L1 EMERGENCY LIGHTING BATTERY PACK (M33424) CA PACITY FUNCTIONAL CHECK FAILED REF NR LP 9130040 DR L1 EMER LT BATTERY PACK (M33424) REPLACED AND INSTALLATION TE ST NORMAL AS PER AMM 33-51-06 AND ATTACHED FORM ITEM 1 TO 2 ACCO MPLISHED

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.