SDR IPXA2018101214920

Service difficulty report · Flap System · Boeing 75724APF

Difficulty date: October 9, 2018
Submitted: October 12, 2018
Operation: Air carrier
Aircraft: N437UP
Make and model: Boeing 75724APF
Aircraft serial: 25468
Aircraft time: 24,721 hours, 16,502 cycles
System (JASC): 2750 · Trailing Edge Flap Control System
Part: Flap System
Condition: Malfunctioned
Location: Te Flaps
Stage of operation: NR
How discovered: O
Nature of condition: F, J
Precautionary procedure: A

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

What was found

TE FLAP DISAGREE LIGHT ILLUMINATED AFTER SELECTING FLAPS 25, FOLLOWED CHECKLIST USED ALT FLAPS. EMERGENCY DECLARED, LANDED WITH FLAPS AT 20. TROUBLESHOT IAW FIM 27-51-00-815-818, FIG 113 . OPS CHECKED NORMAL. CYCLED FLAPS THRU SEVRAL TIMES COULD NOT DUPLICATE. NO HISTORY.

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