# SDR 97ZZZX197

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 7, 1996
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N941LF](https://openairdocs.org/aircraft/N941LF), registered now
- Engine: Iae V2500A1
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Engine
- Condition: Malfunction
- Location: Nr 2
- Stage of operation: TX
- Nature of condition: J
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/97ZZZX197

## Discrepancy

ON TAXI OUTBOUND AT SFO, PILOT REPORTED ENG NR 1 HAD N1, N2 DROP AND THE EGT ROSE TO OVER 636 FOR A FEW SEC.  A/C RETURNED TO RAMP WHERE RIGGING OF VSV OF 7TH AND 10TH STAGE BLEED VALVES WERE CHECKED.  ENG WAS ALSO CHECKED FOR HIGH TEMP.  MASTER VSVA ACTUATOR P/N 1685MK7 AND LPC BLEED-SLAVE ACTUATOR P/N 1778MK1 REPLACED.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.