Service difficulty report · Flap System · Boeing 757324

Difficulty date
July 2, 2023
Submitted
July 5, 2023
Operation
Air carrier
Aircraft
N75858
Make and model
Boeing 757324
Aircraft serial
32817
Aircraft time
55,391 hours, 17,745 cycles
Part
Flap System
Part number
UNKNOWN
Condition
Locked
Location
Trailing Edge
Stage of operation
DE
How discovered
O
Nature of condition
J, O
Precautionary procedure
B

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

TRAILING EDGE FLAP DISAGREE. EICAS MESSAGE TE FLAPS DISAGREE DISPLAYED WITH THE FLAP CONTROL LEVER IN ANY DETENT DURING NORMAL OPERATION REFERENCE: 27-51 FAULT TREE 808 LOG PAGE LOCKED DUE TO EMERGENCY DECLARED FOR LANDING. DISCUSS DEBRIEFED FLIGHT CREW. NEW CREW MEMBER HOVERED BETWEEN 20-25 TOO CORRECTIVE ACTION WITH TOMC CONTROLLER BEFORE SIGNING OFF THIS LONG SELF GENERATING TE FLAP DISAGREE. ITEM. PANEL INSTL-CAPT AND FIRST OFFICER AND P3-1 (TRAILING EDGE FLAP POSITION INDICATING SYSTEM ONLY)REFERENCE: 27-58-00-0 P# 215-016-001 INDICATOR IN STOCK SFO DUE TO CREW ERROR FLAPS LOCKED UP. USED ALTN METHEOD TO BRING 808. FLAPS UP TO NORMAL/STOWED POSITION. CYCLED FLAPS 3X NO DISAGREE EICAS MESSAGE. BITE CHECKED FSEU & FSAM NO FAULTS FOUND. NO FLAP TRANSMISSION INDICATORS TRIPPED. REF FIM 27-51.