Service difficulty report · Skin · Boeing 747446

Difficulty date
December 21, 2011
Submitted
December 23, 2011
Operation
Air carrier
Aircraft
N459MC
Make and model
Boeing 747446
Aircraft serial
26344
Aircraft time
71,586 hours, 14,029 cycles
Part
Skin
Condition
Dented
Location
Lt Wing
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 WALKAROUND INSPECTION, MX REPORTED DAMAGE FOUND TO LT WING L/E INBD OF LANDING LIGHT DENT/DAMAGE, MEASURING 4.0" X 4.5" AND IS 0.250" DEEP (REF FIG 1). DAMAGE EXCEEDS THE SRM 57-41-01, FIGURE 101 ALLOWABLE DAMAGE GENERAL. (DISPOSITION WAS MADE TO PERFORM A TIME LIMITED REPAIR AS DESCRIBED IN PART 1 WORK INSTRUCTIONS, INITIATE REPETITIVE DVIS AT EVERY 5 FC (FLIGHT CYCLE) AND PERMANENT REPAIR PRIOR TO THE ACCUMULATION OF 1,000 FH (FLIGHT HOURS) AFTER PART 1)