# SDR UIEA2026100600963

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 6, 2026
- Submitted: October 7, 2026
- Operation: Air carrier
- Aircraft: [N492MC](https://openairdocs.org/aircraft/N492MC), registered now
- Make and model: Boeing 747-47UF
- Registry model: [Boeing 747-47UF](https://openairdocs.org/model/boeing-747-47uf) (OpenAirDocs)
- Aircraft serial: 29253
- Aircraft time: 113,530 hours, 19,551 cycles
- System (JASC): [7830 · Engine Thrust Reverser](https://openairdocs.org/jasc/7830)
- Part: Relay
- Part number: W460F4A
- Condition: Faulted
- Location: Thrust Reverser
- Stage of operation: TO
- How discovered: O
- Nature of condition: J
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2026100600963

## Discrepancy

REJECTED TAKE OFF DUE TO #2 ENG REVERSER EICAS MSG(<P>TRANSFER TO DMI 260447 PER MEL 78-31-01A CAT C DUE DATE 16OCT2026</P> / <P>LP 2029709 M5: T/S AND PERFORMED WIRING CHECK. FOUND GRD SAFETY RELAY R8016 DEFECTIVE. REMOVED AND REPLACED RELAY & PERFORMED #2 T/R OPS CHECK. OPS CHECK NORMAL PER AMM 78-31-00/501 & WDM 78-34-02.

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