What was found
LE FLAP DISAGREE WHEN FLAPS MOVED FROM 0 TO 1 ALT FLAP EXT SUCCESSFUL LP REMAINS LOCK UNTIL A POSITIVE FIX. MAINTENANCE REPLACED 5 ROTARY ACTUATORS (4 RIGHT WING & 1 LEFT WING) THAT FOUND TRIPPED.
- Difficulty date
- October 31, 2018
- Submitted
- November 3, 2018
- Operation
- Air carrier
- Aircraft
- N21108
- Make and model
- Boeing 757224
- Aircraft serial
- 27298
- Aircraft time
- 90,989 hours, 22,287 cycles
- System (JASC)
- 2782 · Leading Edge Slat Actuator
- Part
- Actuator
- Part number
- 19278190001
- Condition
- Tripped
- Location
- Le Slat
- Stage of operation
- DE
- How discovered
- O
- Nature of condition
- F, J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.