What was found
ON TAKEOFF NR 1 ENGINE A-FIRE LOOP WENT TO 4.0. B-FIRE LOOP WENT TO 5.0 AND STAYED THERE UNTIL THROTTLES WERE RETARDED FOR DESCENT. FOUND NR 1 ENGINE HIGH STAGE VALVE STUCK OPEN, LOCKED CLOSED, OPENED MEL 36-01-3B.
- Difficulty date
- June 24, 2005
- Submitted
- June 27, 2005
- Operation
- Air carrier
- Aircraft
- N355MC
- Make and model
- Boeing 747341
- Aircraft serial
- 23395
- Aircraft time
- 61,412 hours, 11,754 cycles
- Engine
- Ge CF650E2
- Engine time
- 75,293 hours, 14,977 cycles
- System (JASC)
- 3610 · Pneumatic Distribution System
- Part
- Valve
- Condition
- Stuck
- Location
- Nr 1 Engine
- Stage of operation
- TO
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- C
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.