# SDR CALA2023022700561

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 27, 2023
- Submitted: February 27, 2023
- Operation: Air carrier
- Aircraft: [N76288](https://openairdocs.org/aircraft/N76288), registered now
- Make and model: Boeing 737-8
- Registry model: [Boeing 737-8](https://openairdocs.org/model/boeing-737-8) (OpenAirDocs)
- Aircraft serial: 33451
- Aircraft time: 58,664 hours, 21,004 cycles
- System (JASC): [2800 · Aircraft Fuel System](https://openairdocs.org/jasc/2800)
- Part: Battery
- Part number: NA
- Condition: None
- Location: Na
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2023022700561

## Discrepancy

SPAR VALVE NOT WORKING ON BATTERY BACK UP PER PRE TEST FLIGHT GR OUND CHECK STEPS F14-19 OR IAW AMM 28-22-00-720-801 (REF AAR NR 99958240) REMOVED AND INSTALLED NEW EMERGENCY FUEL SHUTOFF BATTERY IAW B73 7 AMM 28-22-19-000-801 AND AMM 28-22-14-400-801, OPERATIONAL TES T GOOD (WORK ACCOMPLISHED BY V936248 AND AAR QC V923046) ROTABLE PARTS CHANGE WAS INDICATED - TT # 1859837  SN OFF 4874 BATTERY, ASSY,   OFF 27-2434-9-9002 4874 ON 27-2434-9-9002 2653

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