# SDR 99UAL900532

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 16, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N924UA](https://openairdocs.org/aircraft/N924UA), registered now
- Make and model: Boeing 737522
- Aircraft serial: 26645
- Engine: Ge CFM56*
- System (JASC): [2430 · DC Generating System](https://openairdocs.org/jasc/2430)
- Part: Relay
- Part number: KCD4N
- Condition: Failed
- Location: E/E Comp
- Stage of operation: TO
- Nature of condition: J
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/99UAL900532

## Discrepancy

DIRECT CURRENT FAIL LIGHT ILLUMINATED ON BOTH INERTIAL REFERENCE UNITS ON TAKEOFF.  *S/D*  RELAY R41 FAILED.  REPLACED R41 RELAY.

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