SDR AALA202001249002

Service difficulty report · Warning Message · Boeing 7572B7

Difficulty date: January 23, 2020
Submitted: January 24, 2020
Operation: Air carrier
Aircraft: N939UW
Make and model: Boeing 7572B7
Aircraft serial: 27303
Aircraft time: 81,408 hours, 28,926 cycles
System (JASC): 2750 · Trailing Edge Flap Control System
Part: Warning Message
Condition: False Indication
Location: Te Flaps
Stage of operation: LD
How discovered: O
Nature of condition: N
Precautionary procedure: O

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

What was found

AIRCRAFT WAS GROUNDED: T.E. FLAP DISAGREE, USED ALTN FLAPS PER QRH FOR LANDING. PERFORMED OPS CHECK OF TE FLAP SYS PER AMM 27-51-00 NUMEROUS TIMES IN NORMAL MODE, NO DEFECTS NOTED. ALSO PERFORMED GVI ON FLAP TRACKS, ROLLERS, CARRIAGES AND TRANSMISSIONS FOR DEFECTS AND CHECKED OIL LEVELS. NO DEFECTS NOTED.

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