What was found
744 B18273, DURING FINAL APPROACH, AT ALT 4000 FT, AUTO THROTTLE WAS ENGAGED. WHEN THROTTLE ADVANCE FROM IDLE, ENG 1 SURGE AND SPOOL DOWN.C/A: REPLACE ENG 1 VSV ACT. PERFORM MAINT ACTION IAW FIM 71-00-00. CHECK NML.
- Difficulty date
- February 20, 2004
- Submitted
- April 8, 2004
- Operation
- Air carrier
- Make and model
- Boeing 747400
- Aircraft serial
- 24311
- Engine
- Pwa PW4056
- System (JASC)
- 7200 · Engine (Turbine/Turboprop)
- Part
- Engine
- Part serial
- 724363
- Condition
- Surges
- Location
- Nr 1
- Stage of operation
- CR
- How discovered
- O
- Nature of condition
- R, J
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.