# SDR CALA2020032100654

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 14, 2020
- Submitted: March 21, 2020
- Operation: Air carrier
- Aircraft: [N37437](https://openairdocs.org/aircraft/N37437), registered now
- Make and model: Boeing 737924ER
- Aircraft serial: 33532
- Aircraft time: 35,190 hours, 12,072 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: ADD71701100
- Condition: Discharged
- Location: Cabin
- 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/CALA2020032100654

## Discrepancy

SUPPORT TASK: P/R (721771) MULTIPLE PASSENGER CABIN EMERGENCY LI GHTING ZONES FAIL TO ILUMINATE. REF BY PEMCO NR 2710N69 REMOVED AND REPLACED EMERNCY BATTERY PACKS AT ALL FWD, MID AND A FT LOCATIONS PER B737 AMM 33-51-06. TEST OK 12 EA. PACKS REPLICE D EQUIPMENT NO.5 M1672, M1673, M1674, M1675, M2626, M2627 TO CAPACITY CHECK FAIL.WRK PERFORMED BY P431, ENTERED, I NSP.

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