What was found
DURING CLIMB, THE LEFT INBOARD LEADING EDGE FLAP WOULD NOT RETRACT. AIRCRAFT RETURNED TO NRT AND LANDED WITHOUT INCIDENT. REPLACED THE LEFT NR 3 LEADING EDGE FLAP POWER DRIVE UNIT, OPERATIONAL CHECK GOOD.
- Difficulty date
- January 27, 1997
- Submitted
- March 26, 2000
- Operation
- Air carrier
- Aircraft
- N664US
- Make and model
- Boeing 747451
- Aircraft serial
- 23819
- System (JASC)
- 2780 · Leading Edge Slat Control System
- Part
- Pdu
- Part number
- 1267625
- Condition
- Failed
- Location
- Lt Te Flap
- Part time
- 26,845 hours
- Stage of operation
- CL
- Nature of condition
- J
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.