# SDR CALA2023042101195

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 20, 2023
- Submitted: April 21, 2023
- Operation: Air carrier
- Aircraft: [N12216](https://openairdocs.org/aircraft/N12216), registered now
- Make and model: Boeing 737-8
- Registry model: [Boeing 737-8](https://openairdocs.org/model/boeing-737-8) (OpenAirDocs)
- Aircraft serial: 28776
- Aircraft time: 76,501 hours, 27,624 cycles
- System (JASC): [3300 · Lighting System](https://openairdocs.org/jasc/3300)
- Part: Battery Pack
- Part number: ADD71701100
- Part serial: 186020
- Condition: Discharged
- Location: M7670
- Stage of operation: IN
- How discovered: O
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2023042101195

## Discrepancy

PASSENGER CABIN EMERGECNY LIGHTS, BATTERY PACK M1670 FAILS CAPACITY CHECK (REF. AAR NR 99959557).REMOVED AND INSTALLED NEW BATTERY PACK (M1670) IAW B737 AMM 33-51-06-960-805, OPS TEST OK SDR #1032078 (WORK CCOMPLISHED BY V943433 AND AAR QC A-77 V923046).

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