# SDR U2RA2023081100037

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 8, 2023
- Submitted: August 11, 2023
- Operation: Air carrier
- Aircraft: [N952CA](https://openairdocs.org/aircraft/N952CA), registered now
- Make and model: Boeing 747428
- Aircraft serial: 25238
- Aircraft time: 111,174 hours, 16,827 cycles
- Engine: Ge CF680C2B1F
- System (JASC): [5220 · Emergency Exits](https://openairdocs.org/jasc/5220)
- Part: Cartridge
- Part number: 900835AB
- Part serial: 108218
- Condition: No Test
- Location: Zone 200
- Component: Battery Pack, 60B400534
- Component part number: 90084
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/U2RA2023081100037

## Discrepancy

DURING A-CHECK, ACCOMPLISHMENT OF SCHEDULED BOEING 747 TASK CARD 52-023-05-01, LEFT HAND UPPER DOOR, BATTERY PACK M7037 FAILED TO TEST ON PRESS-TO-TEST SWITCH. WORK ACCOMPLISHED ON (CRS# HAIY901D) HANGAR 901, PROJECT H1-23-05-00084, W/O 18590, NR 0046.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.