SDR DHL2005770005

Service difficulty report · Control System · Boeing 7272B7

Difficulty date: April 1, 2005
Submitted: April 1, 2005
Operation: Air carrier
Aircraft: N770AT
Make and model: Boeing 7272B7
Aircraft serial: 21953
System (JASC): 2750 · Trailing Edge Flap Control System
Part: Control System
Condition: Malfunctioned
Location: Te Flaps
Stage of operation: CR
How discovered: O
Nature of condition: E
Precautionary procedure: O

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

What was found

AT FL 340 .80 MACH FLUTTER OR VIBRATION FELT IN AIRFRAME EXTEND SPOILER (CRACK) FLUTTER ELIMINATED. STOW SPOILER AND FLUTTER RETURNS AT SPEED BELOW .79 MACH FLUTTER ELIMINATED, RETURNS ABOVE. ADJUSTED LEFT OUTBOARD FLAP ECCENTRICS, CK OK IAW MM 27-51-00 (TRAILING EDGE FLAP)

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