Service difficulty report · Skin · Boeing 747422

Difficulty date
June 8, 2011
Submitted
June 8, 2011
Operation
Air carrier
Aircraft
N119UA
Make and model
Boeing 747422
Aircraft serial
28812
Aircraft time
51,112 hours, 6,013 cycles
Engine
Pwa PW4056
Part
Skin
Condition
Delaminated
Location
Foreflap
Stage of operation
IN
How discovered
O
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

ACCOMPLISH DELAMINATION TAP TEST ON LEFT INBOARD FWD FORE FLAP IN A 6 INCH PERIMETER TO THE TRAILING EDGE DAMAGE. ALSO, TAP TEST THE SCUFFED AREA FWD OF THE 20 INCH SEPARATED DAMAGED SECTION APPROX 1 FT IN CIRCUMFERENCE. ACCOMPLISHED TAP TEST OF FORE FLAP DAMAGED PERIMETER AREA AND TRAILING EDGE SCUFFED AREA, NO DELAMINATION OR ANY OTHER DAMAGED FOUNDED PER SRM. LEFT WING FOREFLAP TAPE 1) APPLY 2 INCH TAPE ON UPPER SURFACE 2) SANDWICH 8 INCH TAPE ON UPPER AND LOWER SURFACE EVENLY, ONE LAYER ONLY. 3) UPPER SURFACE AND LOWER SURFACE ONE LAYER 2 INCH TAPE ON LEADING EDGE OF 8 INCH SANDWICH TAPE. OVERLAP ALL TAPE BY 3 INCH S AND POST PHOTOS ON RVOOF TAPE WHEN FINISHED. ACCOMPLISHED INTERIM REPAIR PHOTO UPLOAD TO SAMC WEB.