Service difficulty report · Skin · Boeing 74747UF

Difficulty date
September 10, 2010
Submitted
September 20, 2010
Operation
Air carrier
Aircraft
N497MC
Make and model
Boeing 74747UF
Aircraft serial
29258
Aircraft time
49,930 hours, 7,554 cycles
Engine
Ge CF680C2B1F
System (JASC)
5751 · Ailerons
Part
Skin
Condition
Damaged
Location
Rt Wing Aileron
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

DURING D2C3 CHECK INSP BEING PERFORMED; DAMAGE WAS FOUND TO THE RT WING OTBD AILERON AT THE FOLLOWING LOCATIONS: WBL 925.960 & WBL 995 - AFT SIDE LOWER SURFACE - DISBOND. WBL 849.982 - AFT SIDE UPPER SURFACE - EROSION. PERMANENT REPAIRS ACCOMPLISHED IAW THE CMM 57-51-91 PAGE 604 REV 17 IAW EGAT NRCS: 270 AND 272. THE REPAIRS ACCOMPLISHED IAW PART 1 ARE CATEGORY A AND WERE PERFORMED IAW CMM 57-51-91, PAGE 604, REV 17 IAW EGAT NRCS: 270 AND 272. NO SUPPLEMENTAL INSP ARE REQUIRED.

More about the Boeing 747-47UF