# SDR CALA2020041000815

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 7, 2020
- Submitted: April 10, 2020
- Operation: Air carrier
- Aircraft: [N77022](https://openairdocs.org/aircraft/N77022), registered now
- Make and model: Boeing 777224
- Aircraft serial: 39777
- Aircraft time: 49,226 hours, 4,502 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: ADD7701100
- Condition: Failed
- Location: R3 Door
- 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/CALA2020041000815

## Discrepancy

B777-33-3-7019 R/H DR3 EMER PWR SUPPLY M33404 CAPACITY CHECK FAIL.REF NR LP 9130193 R/H DR3 EMER PWR SUPPLY M33404 BATTERY PACK REPLACED AND TEST CARRIED OUT WITH NORMAL RESULT AS PER AMM 33-51-06

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