# SDR ASAA2021062835195

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 28, 2021
- Submitted: June 30, 2021
- Operation: Air carrier
- Aircraft: [N440AS](https://openairdocs.org/aircraft/N440AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 41705
- Aircraft time: 28,713 hours, 9,233 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: D71701100
- Condition: Failed
- Location: Emergency Lights
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2021062835195

## Discrepancy

R1 DOOR EMERGENCY LIGHTS DO NOT COME ON. GROUNDED - YES. REPLACED UNSERVICEABLE R1 DOOR EMERGENCY LIGHT BATTERY PACK WITH SERVICEABLE R1 DOOR EMERGENCY LIGHT BATTERY PACK, OPS CHK GOOD IAW B737-900 AMM 33-51-06-960-805 STEP 4.

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