Service difficulty report · Skin · Boeing 747243B

Difficulty date
May 5, 2011
Submitted
May 10, 2011
Operation
Air carrier
Aircraft
N540MC
Make and model
Boeing 747243B
Aircraft serial
22508
Aircraft time
106,830 hours, 18,788 cycles
Part
Skin
Condition
Damaged
Location
K 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

DURING WALK AROUND INSP BEING PERFORMED, MX FOUND THE LT WS 594.0, 16" AFT OF L/E - L/E KRUEGER FLAP - LOWER SURFACE EXTERNAL SKIN WITH DELAMINATION DAMAGE (AREA:MEASURES APPROX 12 IN DIA) (REF FIGURE 1). (DISPOSITION WAS MADE TO PERFORM A TIME LIMITED REPAIR AS DESCRIBED IN PART 1 WORK INSTRUCTIONS, REPEAT DETAIL VISUAL INSP AT EVERY 5 FC (FLIGHT CYCLES) AND PERMANENT REPAIR IAW THE SRM 51-40-09, FIG 18 IAW 51-40-12 AT THE NEXT A CHECK AFTER PART 1.)