Service difficulty report · Seal · Boeing 747422

Difficulty date
August 2, 2011
Submitted
August 5, 2011
Operation
Air carrier
Aircraft
N104UA
Make and model
Boeing 747422
Aircraft serial
26902
Aircraft time
55,866 hours, 6,565 cycles
Engine
Pwa PW4056
Part
Seal
Condition
Missing
Location
Lt Wing Te Flap
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

REPORTED THAT LEFT I/B MIDFLAP ACCORDIAN SEAL UPPER SECTION OF SEAL IS MISSING. REMOVED LEFT I/B MIDFLAP SEAL & INSTALLED 2 INNER RIBS TO NEW SEAL PER MM. SEAL ASSY NEEDS INSTALLED ON MIDFLAP HARDWARE AND RETAINER STRIPS IN AREA. INSTALLED SEAL ASSY.