# SDR UIEA2026100100935

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 1, 2026
- Submitted: October 6, 2026
- Operation: Air carrier
- Aircraft: [N642GT](https://openairdocs.org/aircraft/N642GT), registered now
- Make and model: Boeing 767-3Y0
- Registry model: [Boeing 767-3Y0](https://openairdocs.org/model/boeing-767-3y0) (OpenAirDocs)
- Aircraft serial: 26207
- Aircraft time: 89,693 hours, 26,087 cycles
- System (JASC): [3442 · Weather Radar System](https://openairdocs.org/jasc/3442)
- Part: Drive Assy
- Condition: Faulted
- Location: Wx Radar
- Stage of operation: CR
- How discovered: V
- Nature of condition: G
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2026100100935

## Discrepancy

ALT DISAGREE AT FL 230-270. FO AND CAPT ALTIMETER +/- 500; BELOW 10,000 NORMAL.  AIRSPEED DISAGREE, CAPT & STANDBY AGREE  +/-2 KNOTS. FO'S AIRSPEED +20 KTS. PITCH & POWER CROSS CHK CAPT'S ASI, BELOW 10,000 NORMAL.  WXR SYS LT & RT FAILED AFTER APPROX 3 MINS OF OPS.  CAPT & FO AIR DATA SYS PITOT & STATIC HIGH RANGE LEAK CHK C/W. FND CAPT  SATIS & FAILED ON F/O . FOUND ADC RT STATIC LINE FLEX HOSE CONNECTED TO ADC R LEAK  IAW AMM 34-11-00. ADC R FLEX HOSE REPLACED IAW 34-11-00-13B. C/O CAPT & FO PITOT STATIC LEAK CHK IAW 34-11-00, TEST OK, BOTH CAPT & FO PFD INDS AGREE. ADC L STATIC LINE QUICK DISCONNECT REPLACED.  LEAK CHK GOOD IAW 34-11-00.  ADC R REPLACED, BITE TEST OK IAW AMM 34-42-01.  WXR L OPS TEST C/O. FOUND WXR-L FAIL & RT SATIS. WXR L XCEIVER TRIED, NO HELP. WXR ANTENNA DRIVE REPLACED. BOTH WXR LT & RT OPS TEST SATIS IAW AMM 34-43-05 & 34-43-01. ORIGINAL SUBMISSION DATE: 10-02-2026

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