What was found
ABORTED TAKEOFF DUE TO TAKEOFF WARNING HORN. TAKEOFF WARNING HORN SOUNDS WHEN THRUST LEVERS ARE ADVANCED WITH THE FOLLOWING CONDITIONS: FLAPS 20, TRIP 4.9 UNITS. REMOVED AND REPLACED AURAL WARNING CONTROL LOGIC MODULE PER MM -31-26-03
- Difficulty date
- December 10, 2002
- Submitted
- December 13, 2002
- Operation
- Air carrier
- Aircraft
- N671UP
- Make and model
- Boeing 747123
- Aircraft serial
- 20323
- System (JASC)
- 3150 · Central Warning
- Part
- Control Module
- Condition
- Malfunctioned
- Location
- Aural Warning
- Stage of operation
- TO
- How discovered
- O
- Nature of condition
- N
- Precautionary procedure
- C
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.