What was found
INSPECTION TYPE:N/A, AFTER TAKEOFF WHEN SELECTING FLAPS UP FROM FLAPS 1, CREW GOT WARNING HORN. AIR TURNBACK DUE TO WARNING HORN. REMOVED AND REPLACED AURAL WARNING CONTROL LOGIC MODULE. OPS CHECK GOOD.
- Difficulty date
- November 21, 1999
- Submitted
- March 26, 2000
- Operation
- Air carrier
- Aircraft
- N677UP
- Make and model
- Boeing 747123F
- Aircraft serial
- 20391
- System (JASC)
- 3150 · Central Warning
- Part
- Computer
- Condition
- Inop
- Location
- Te Flap
- Stage of operation
- TO
- Nature of condition
- N
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.