# SDR KCSA2024072621

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 26, 2024
- Submitted: August 8, 2024
- Operation: Air carrier
- Aircraft: [N709CK](https://openairdocs.org/aircraft/N709CK), registered now
- Make and model: Boeing 747-4B5
- Registry model: [Boeing 747-4B5](https://openairdocs.org/model/boeing-747-4b5) (OpenAirDocs)
- Aircraft serial: 26396
- Aircraft time: 107,097 hours, 17,580 cycles
- System (JASC): [5200 · Doors](https://openairdocs.org/jasc/5200)
- Part: Battery Pack
- Part number: 900835AB
- Part serial: 108038
- Condition: Unserviceable
- Location: Door
- 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/KCSA2024072621

## Discrepancy

RIGHT HAND UPPER DECK DOOR EMERGENCY BATTERY PACK INOPERATIVE. TRANSFERRED TO DMI 100183442 CATEGORY C DUE 08-04-2024. MAINTENANCE ACTION COMPLIED WITH. PLACARD INSTALLED PER MEL 52-23-1-3A. PER LOG PAGE 100183444: REMOVED AND REPLACED POWER SUPPLY AND BATTERY PACK IAW B747-400 AMM 52-23-14. ALL CHECKS GOOD- THIS CLEARS DMI 100183442. ALL PLACARDS REMOVED. REFERENCE WORK ORDER 709046827 FOR ORIGINAL SIGNATURES AND WORK PERFORMED. ADDITIONAL PART CHANGE: (BATTERY POWER SUPPLY P/N OFF- 9008-5 S/N OFF- 2347) (MODULE ASSY- (DOORS ONLY) P/N OFF- 65B48538-2 S/N OFF- D00684)

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