SDR AALA2019040199002

Service difficulty report · Flap System · Boeing 757223

Difficulty date: March 28, 2019
Submitted: April 1, 2019
Operation: Air carrier
Aircraft: N172AJ
Make and model: Boeing 757223
Aircraft serial: 32400
Aircraft time: 54,982 hours, 15,628 cycles
System (JASC): 2750 · Trailing Edge Flap Control System
Part: Flap System
Condition: Malfunctioned
Location: Te Flaps
Stage of operation: AP
How discovered: V
Nature of condition: F
Precautionary procedure: O

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

What was found

PILOT REPORTS THE RIGHT FLAP FAILED BETWEEN 20 AND 25 LEFT FLAP CONTINUED TO 30. WHILE ACCOMPLISHING QRH PROCEDURE, RIGHT FLAP RESUMED TRAVEL TO 30. CONTROL INPUTS CONFIRMED FLAP INDICATION WAS CORRECT. FLAPS RETRACTED NORMAL. MAINTENANCE PERFORMED BITE ON BOTH FSEUS, NO FAULTS FOUND. ALSO RAN FLAPS TO 30. NO FAULTS FOUND, BITE FSAM, NO FAULTS FOUND. A/C OK FOR SERVICE ALL WORK ACCOMPLISHED IAW AMM 27-51-00-715-001, REVIEWED HISTORY, NO FAULTS FOUND.