# SDR ASAA2015010210129

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 2, 2015
- Submitted: January 6, 2015
- Operation: Air carrier
- Aircraft: [N419AS](https://openairdocs.org/aircraft/N419AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 41734
- Aircraft time: 6,896 hours, 2,205 cycles
- System (JASC): [2432 · Battery/Charger System](https://openairdocs.org/jasc/2432)
- Part: Charger
- Part number: 893003
- Part serial: C6003
- Condition: Malfunctioned
- Location: Ee Bay
- Part time: 1,377 hours, 442 cycles
- Stage of operation: IN
- How discovered: 9
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2015010210129

## Discrepancy

ELECTRIC LIGHT ILLUMINATED ON APU START TIME FOR MORNING LAUNCH FAULT WAS AUX BATTERY CHARGER INOPERATIVE AND WAS RESET.  ACFT GROUNDED.  FAULT RESET NORMAL. OPS NORMAL IAW MM 24-31-31-710-801.  CHECKED WIRE FROM D652 PIN 8 AT ELECT METERS P5-13 TO D10342 AUX BATTERY CHARGER FOR CONTINUITY & SHORTS IAW ENGINEERING.  NO FAULTS FOUND.  REF WDM 24-31-12.  RECONNECTED D652. REMOVED AUX BATTERY CHARGER IAW MM 24-31-31.  INSTALLED ROBBED AUX BATTERY CHARGER IAW MM 24-31-31-400-801.  OPS NORMAL IAW MM 24-31-31-710-801.

---
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.