# SDR CALA2021041900507

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 19, 2021
- Submitted: April 19, 2021
- Operation: Air carrier
- Aircraft: [N78008](https://openairdocs.org/aircraft/N78008), registered now
- Make and model: Boeing 777224
- Aircraft serial: 29478
- Aircraft time: 103,547 hours, 10,338 cycles
- System (JASC): [3300 · Lighting System](https://openairdocs.org/jasc/3300)
- Part: Battery
- Condition: Failed
- Location: Emergency Lights
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2021041900507

## Discrepancy

AD 2018-14-02 SUPPORT TASK - DR 2R EMER LIGHT PWR SUPPLY M33098 TEST FAIL REF NR LP 9131216 DR 2R EMER LIGHT PWR SUPPLY M33098 BATTERY REPLACED AND TESTED NORMAL AS PER AMM 33-51-06 ADD EMP:V896958

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