# SDR DALA2014092405211

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 24, 2014
- Submitted: September 24, 2014
- Operation: Air carrier
- Aircraft: N669US
- Make and model: Boeing 747451
- Aircraft serial: 24224
- Aircraft time: 103,501 hours, 12,665 cycles
- Engine: Pwa PW4056
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Engine
- Condition: Fire
- Location: Nr 4
- Stage of operation: CL
- How discovered: O
- Nature of condition: A, J
- Precautionary procedure: E, A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2014092405211

## Discrepancy

RETURNED TO DEPARTURE, WITH THE NR 4 ENGINE SHUTDOWN.  CREW REPORTED THAT THEY HAD THE NR 4 ENGINE SURGE AT 600 FT AND THEN ABOUT 15 SECONDS LATER HAD A NR 4 ENGINE FIRE WARNING.  FOLLOWED QRH AND BLEW BOTH FIRE BOTTLES, FIRE WARNING EXTINGUISHED.  ENGINE CHANGE IN PROGRESS.

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