SDR AALA202102199008

Service difficulty report · Flap System · Boeing 757236

Difficulty date: March 25, 2021
Submitted: February 19, 2021
Operation: Air carrier
Aircraft: N954FD
Make and model: Boeing 757236
Aircraft serial: 29113
Aircraft time: 36,163 hours, 22,037 cycles
System (JASC): 2750 · Trailing Edge Flap Control System
Part: Flap System
Condition: Malfunctioned
Location: Te Flaps
Stage of operation: AP
How discovered: O
Nature of condition: J
Precautionary procedure: O

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

What was found

TE FLAP DISAGREE MOVING FLAP LEVER FROM 20-25 AT 1500'. NO ROLLING MOTION. AFTER BLOCK IN, INDICATED FLAPS 25. CYCLED FLAPS WITH NO PROBLEMS PERFORMED A GVI ON TE FLAPS NO DEFECTS FOUND. CHECKED OVERLOAD INDICATORS THEY WERE GOOD.ALSO CYCLED ACFT POWER FROM APU TO EXT SEVERAL TIMES WITH NO FLAP INDICATION PROBLEMS. PRECAUIONARY REPLACED #1 FSEU REF MM 27-51-01-2 OPS CHECKS NORMAL REF SAME MM. THERE ARE NO EXSISTING FAULTS ON ALL 3 FSEU'S. ACFT OK FOR SERVICE.