# SDR 97UAL900431

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 5, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N1815U](https://openairdocs.org/aircraft/N1815U), registered now
- Make and model: Doug DC-10-10
- Registry model: [Doug DC-10-10](https://openairdocs.org/model/mcdonnell-douglas-dc-10-10) (OpenAirDocs)
- Aircraft serial: 46614
- Engine: Ge CF66D
- System (JASC): [2497 · Electrical Power System Wiring](https://openairdocs.org/jasc/2497)
- Part: Wire
- Condition: Loose
- Location: Emer Pwr Switch
- Stage of operation: NR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/97UAL900431

## Discrepancy

EMERGENCY POWER SWITCH FAILS TO PROVIDE EMERGENCY POWER WHEN SELECTED TO ON.  ALSO, 3  COCKPIT CLOCKS KEPT LOSING POWER.  APU FAILED AND EMERGENCY POWER SWITCH FAILED TO SUPPLY EMERGENCY POWER.  *S/D*  WIRE NR 14 LOOSE ON EMERGENCY POWER SWITCH AND CANNON PLUG R2-17 NOT FULLY SECURED.  WIRE TIGHTENED AND CANNON PLUG SECURED.

---
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.