# SDR 4VAA20230929008

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 29, 2023
- Submitted: October 2, 2023
- Operation: Air carrier
- Aircraft: N505JA
- Make and model: Saab 2000SAAB
- Aircraft serial: 005
- Aircraft time: 35,696 hours, 35,170 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: 330151
- Part serial: 1361
- Condition: Inoperative
- Location: Zone 100
- Stage of operation: IN
- How discovered: V
- Nature of condition: L
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/4VAA20230929008

## Discrepancy

DURING A FUNCTIONAL TEST OF THE EMERGENCY LIGHT BATTERY PACKS, PACKS 9LN, 11LN, 15LN AND 17LN FAILED. MAINTENANCE REPLACED THOSE 4 EMERGENCY LIGHT BATTERY PACKS IN ACCORDANCE WITH THE MAINTENANCE MANUAL. OPERATIONAL CHECKS WERE GOOD WITH NO FURTHER DEFECTS NOTED.

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