What was found
DURING TAKEOFF ROLL, THE NR 4 ENGINE THRUST REVERSER UNLOCK LIGHT ILLUMINATED. THE TAKEOFF WAS ABORTED AT 100 KNOTS. MAINTENANCE INSPECTED THE THRUST REVERSER. OPERATIONAL CHECK SATISFACTORY.
- Difficulty date
- March 15, 2002
- Submitted
- March 26, 2002
- Operation
- Air carrier
- Aircraft
- N645NW
- Make and model
- Boeing 747222B
- Aircraft serial
- 23736
- Aircraft time
- 51,511 hours, 5,054 cycles
- Engine
- Pwa JT9D7R4G2
- Engine time
- 40,589 hours, 4,382 cycles
- System (JASC)
- 7830 · Engine Thrust Reverser
- Part
- Warning System
- Condition
- Activated
- Location
- Cockpit
- Part time
- 2,450 hours, 503 cycles
- 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.