# SDR DL764091633

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 14, 2009
- Submitted: October 23, 2009
- Operation: Air carrier
- Aircraft: [N834MH](https://openairdocs.org/aircraft/N834MH), registered now
- Make and model: Boeing 767432ER
- Aircraft serial: 29707
- Aircraft time: 32,211 hours, 9,241 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Condition: No Test
- Location: Emergency Lights
- 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/DL764091633

## Discrepancy

DURING FUNCTIONAL CHECK OF EMERGENCY LIGHT BATTERY PACKS, FOUND BATTERY PACKS M734-M1208 AND M6759 FAILED TEST.  REPLACED SAME IAW AMM.  OPS CKS GOOD IAW AMM.  ETOPS CATEGORY 'E': PROBLEMS WITH SYS CRITICAL TO ETOPS.

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