SDR AALA20161216012

Service difficulty report · Flap System · Boeing 757223

Difficulty date: December 15, 2016
Submitted: December 16, 2016
Operation: Air carrier
Aircraft: N189AN
Make and model: Boeing 757223
Aircraft serial: 32383
Aircraft time: 56,120 hours, 13,894 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: L

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

What was found

DURING APPROACHED FLAPS 20 DEGREES SELECTED. RECEIVED "TE FLAP DISAGREE" EICAS MESSAGE. FLAPS STOPPED AT 17 DEGREES. EMERGENCY DECLARED. AIRCRAFT WAS GROUNDED. MAIANTENANCED CHECKED EICAS PAGES WITH NO MESSAGES NOTED. PERFORMED OPERATIONAL TEST OF FLAPS, ACCOMPLSIHED FSEU CHECK IAW AMM 27-51-00 AND CYCLED TRAILING EDGE FLAPS 0 THROUGH 30 SIX TIMES WITH NO FAULTS FOUND. COULD NOT DUPLICATE. SYSTEM CHECKS NORMAL.