What was found
DURING TAKEOFF (AMS), THE NR 4 ENGINE EGT WARNING AND OVERHEAT LIGHT ILLUMINATED FOLLOWED BY A NR 4 ENGINE FIRE WARNING. ABORTED TAKEOFF. REPLACED THE HIGH STAGE BLEED VALVE AND CONTROLLER. OPERATIONAL CHECK GOOD.
- Difficulty date
- August 10, 1996
- Submitted
- March 26, 2000
- Operation
- Air carrier
- Aircraft
- N636US
- Make and model
- Boeing 747251B
- Aircraft serial
- 23547
- System (JASC)
- 7532 · Compressor Bleed Valve
- Part
- Bleed Valve
- Condition
- Failed
- Location
- Nr 4 Engine
- Stage of operation
- TO
- Nature of condition
- J, M
- Precautionary procedure
- C, D
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.