# SDR EIA2004136

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 5, 2004
- Submitted: November 16, 2004
- Operation: Air carrier
- Aircraft: N482EV
- Make and model: Boeing 747 212B
- Registry model: [Boeing 747 212B](https://openairdocs.org/model/boeing-747-212b) (OpenAirDocs)
- Aircraft serial: 20713
- Aircraft time: 95,220 hours
- Engine: Pwa JT9D7J
- Engine time: 25,211 hours
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Engine
- Condition: Failed
- Location: Nr 2
- Stage of operation: CR
- How discovered: O
- Nature of condition: R, J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/EIA2004136

## Discrepancy

EN ROUTE FRA/HKG, CRUISE CONFIGURATION AT FLT LEVEL 37K, CREW NOTICED MOMENTARY VIBRATION/RUMBLE, AND OBSERVED LOSS OF NR 2 ENGINE POWER (ROLL BACK). ENGINE INSTRUMENTS AT IDLE VALUES WITH N1 RPM ZERO.  REPEATED THROTTLE CYCLING PRODUCED NO ENGINE RESPONSE.  PERFORMED IFSD, ENGINE WINDMILLED WITH POSITIVE OIL PRESS (+ 5 PSI) FOR APPROX 3 MINUTES.  ENGINE SUCCESSFULLY RE-STARTED AND OPS CHECK OK.  NORMAL ENGINE OPERATION FOR DURATION OF FLIGHT TO ORIGINAL DESTINATION.  UNSUCCESSFUL SPOOL UP AFTER MAINTENANCE AND RESTART ON GROUND, REMOVED AND REPLACED NR 2 ENGINE.

---
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.