# SDR UIEA2021012400112

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 25, 2021
- Submitted: January 29, 2021
- Operation: Air carrier
- Aircraft: [N1181A](https://openairdocs.org/aircraft/N1181A), registered now
- Make and model: Boeing 767-3Y0
- Registry model: [Boeing 767-3Y0](https://openairdocs.org/model/boeing-767-3y0) (OpenAirDocs)
- Aircraft serial: 26206
- Aircraft time: 89,304 hours, 22,458 cycles
- Engine: Ge CF680C2B7F
- System (JASC): [7714 · Engine RPM Indicating System](https://openairdocs.org/jasc/7714)
- Part: Switch
- Part number: NPN
- Part serial: NSN
- Condition: Failed
- Location: Engine N1 Gauge
- Stage of operation: CL
- How discovered: V
- Nature of condition: J
- Precautionary procedure: A, D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2021012400112

## Discrepancy

REV DISPLAYED ABOVE LEFT ENGINE N1 GAUGE NORMAL REVERSE WORKED ON LANDING.  TRANSFERED TO MDDR 141401, IAW MEL 78-31-01 CAT C, DUE 04FEB21 PLACARD INSTALLED MX PROCEDURE C/W.  REMOVED NR 1 TR OUTBOARD SWITCH, PER B767 AMM 78-36-01 AND REPLACED W/78-36-01.  OPERATIONS CHECK GOOD.  THIS CLEARS DMI 141481.

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