Service difficulty report · Skin · Boeing 747422

Difficulty date
June 4, 2007
Submitted
June 14, 2007
Operation
Air carrier
Aircraft
N174UA
Make and model
Boeing 747422
Aircraft serial
24381
Aircraft time
67,181 hours, 7,585 cycles
Engine
Pwa PW4056
Part
Skin
Condition
Cracked
Location
T/E Foreflap
Stage of operation
IN
How discovered
V
Nature of condition
O
Precautionary procedure
K

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

What was found

RIGHT WING INBOARD TRAILING EDGE FOREFLAP LOWER SURFACE CRACKED. LENGTH OF CRACK IS APPROX 7.5 FEET SPANWISE, APPROX 6 INCHES FROM LEADING EDGE. [07-27-07] REPLACED RIGHT HAND INBOARD FOREFLAP IN ACCORDANCE WITH MM 27-51-02 PAGE 401. AIRCRAFT RETURNED TO SERVICE.