# SDR FDEA202608041082

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 4, 2026
- Submitted: August 4, 2026
- Operation: Air carrier
- Aircraft: [N788FD](https://openairdocs.org/aircraft/N788FD), registered now
- Make and model: Boeing 757222
- Aircraft serial: 26686
- Aircraft time: 77,400 hours, 30,834 cycles
- System (JASC): [2432 · Battery/Charger System](https://openairdocs.org/jasc/2432)
- Part: Battery
- Part number: 32536003
- Part serial: 11601207
- Condition: Failed
- Location: Zone 100
- Part time: 4,135 hours, 2,378 cycles
- Stage of operation: DE
- How discovered: O
- Nature of condition: H, J
- Precautionary procedure: H
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/FDEA202608041082

## Discrepancy

BETWEEN 16-18000 FT GOT LT, RT, & CENTER IRS  DC FAILED. TRIED STARTING APU TO VERIFY HOT BATTERY  BUS STILL WORKING. WHEN APU REACHED SPEED GOT EICAS APU FUEL VALVE & RT FUEL SPAR VALVE. MAIN BATTERY CHARGER MSG ILLUMINATED. BTWN  IRU FAILS & EICAS MGS NOTICED A FAINT ELECT ODOR THAT REMAINED FOR DURATION OF FLT. ON FINAL GOT L FUEL SPAR VALVE & ANTISKID EICAS, LOST DATALINK.  EMERGENCY DECLARED. COMPLETED MAIN BATTERY AND MAIN BATTERY CHARGER INSTALLATIONS IAW AMM 24-31-01-4 & 24-31-02-4. MAIN BATTERY & MAIN BATTERY CHARGER OPS CHKD GOOD.  VOLTAGE CHKD GOOD AT 30V,  ALL THE BATTERY & CHARGER LEDS ARE ON.  NO MESSAGES DISPLAYED ON EICAS UPPER &  LOWER SCREENS. RAN NEW WIRE FROM D1794 PIN 9 - GD534DC.

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