What was found
DURING TAKE-OFF ROLL, BEFORE TAKE-OFF POWER WAS SET NR 1 ENGINE N1 MAX OUT THEN FAIL, 75,000LBS OF FUEL WAS JETTISON TO GET TO LANDING WEIGHT. REMOVED AND REPLACED N1 TACH CANNON PLUG IAW MM 77-12-00
- Difficulty date
- March 3, 2003
- Submitted
- March 3, 2003
- Operation
- Air carrier
- Aircraft
- N486EV
- Make and model
- Boeing 747212B
- Aircraft serial
- 20888
- Aircraft time
- 78,020 hours, 18,588 cycles
- System (JASC)
- 7797 · Engine Indicating System Wiring
- Part
- Connector
- Part number
- BACC45FS14C7S
- Condition
- Damaged
- Location
- N1 Tachometer
- Stage of operation
- TO
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- J
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.