# SDR OZCA340224230403

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 3, 2023
- Submitted: April 4, 2023
- Operation: Air carrier
- Aircraft: [N971BC](https://openairdocs.org/aircraft/N971BC), registered now
- Make and model: Saab 340B
- Registry model: [Saab 340B](https://openairdocs.org/model/saab-340b) (OpenAirDocs)
- Aircraft serial: 340B224
- Aircraft time: 38,842 hours, 42,768 cycles
- Engine: Ge CT79B
- Engine time: 28,722 hours, 32,868 cycles
- System (JASC): [7797 · Engine Indicating System Wiring](https://openairdocs.org/jasc/7797)
- Part: Wire Harness
- Part number: 7292531602
- Condition: Faulted
- Location: Rt Engine
- Stage of operation: CL
- How discovered: O
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/OZCA340224230403

## Discrepancy

ON CLIMB OUT SEGMENT OF FLIGHT PASSING 13000' R/H ENGINE ITT BECAME ERRATIC AND UNSTABLE WHILE ALL OTHER PARAMETERS REMAIN THE SAME. C/W QRH E3-4, A8-10, A8-LL. PERFORMED BOROSCOPE INSPSPECTION CT7-TP9 INSP 003, 004, 005. NO VISUAL DAMAGEFOUND PERFORMED ITT INDICATION CHECK IAW SAAB 340,77-20-00-05 PROCEDURE 1. FOUND RH INDICATOR HAVINGA DIFFERENCE OF40C AT THE TEST BOX SETTINGS. REQUIRES FURTHER T/S. REMOVED AND REPLACED WIRE HARNESS FOR (INDICATION) IAW SAAB 340B POWER PLANT BUILT UP MANUAL, OPS CHECKED SATISFACORY, REQUIRES FURTHER AIRWORTHINESS RELEASE, SEE SERVICE TAGS FOR P/N'S OFF AND ON. PERFORMED OPS CHECK POWER RUNS ON RH ENGINE. OPS CHECKED GOOD AT THIS TIME IAW  72-00-00 AND71-00-00 OF THE EM.

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