Service difficulty report · Skin · Boeing 74747UF

Difficulty date
September 1, 2010
Submitted
September 1, 2010
Operation
Air carrier
Aircraft
N499MC
Make and model
Boeing 74747UF
Aircraft serial
29260
Aircraft time
43,967 hours, 7,633 cycles
Engine
Ge CF680
Part
Skin
Condition
Damaged
Location
Cargo Door
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

EO 4452A084 DURING WALKAROUND INSP, MX FOUND THE CARGO DOOR OUTER SKIN WITH DENT/SCRATCH DAMAGE, MEASURES: 2.0 IN LONG X 1.5 IN WIDE X 0.125 IN DEEP. THE DENT IS OUT OF LIMITS IAW THE SRM 52-30-01, FIG 101, DETAIL XI, ALLOWABLE DAMAGE 1. THE BULK CARGO DOOR OUTER SKIN IS MADE FROM 0.062 CLAD 2024 T-3 (REF. DWG 65B04514). (DISPOSITION WAS MADE TO PERFORM TIME LIMITED REPAIR AS DESCRIBED IN PART 1 WORK INSTRUCTIONS, INITIATE REPEAT INSP AT EVERY 25 FC (FLIGHT CYCLES) AND SCHEDULE PERMANENT REPAIR PRIOR TO THE ACCUMULATION OF 1,000 FH (FLIGHT HOURS) AFTER PART 1. PART 1 OF THIS EO ACCOMPLISHED TIME LIMITED REPAIR AND IS APPROVED BY DER (DERT-710167-SW) VIA FAA 8110-3 FORM ISSUED 01SEP10 SINCE THE DAMAGE EXCEEDS THE ALLOWABLE DAMAGE LIMITS IAW SRM 52-30-01, FIG 101, ALLOWABLE DAMAGE 1.)

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