Service difficulty report · Skin · Boeing 757224

Difficulty date
March 11, 2010
Submitted
March 16, 2010
Operation
Air carrier
Aircraft
N41135
Make and model
Boeing 757224
Aircraft serial
29284
Aircraft time
46,167 hours, 10,707 cycles
Part
Skin
Part number
146N6619
Condition
Cracked
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

FWD CARGO DOOR EXTERIOR LOWER CORNER SKIN CRACKED AND WORN. BLENDED OUT DAMAGE & INSTALLED REPAIR DOUBLER ON THE AFT LOWER CORNER OF THE FWD CARGO DOOR SKIN REF SRM 52-30-01 REPAIR 4. INITIATED A DIP TO REINSPECT REPAIR AT A THRESHOLD OF 37,500 TOTAL FLIGHT CYCLES WITH REPEAT INSPECTIONS AT 3,000 OR 6,000 FLIGHT CYCLES THEREAFTER DEPENDING ON METHOD USED IN TABLE IV. INSPECT AT 37,500 TOTAL DOOR FLT CYCLES FROM DELIVERY AND WITHIN EACH 3000 FLT CYCLES THEREAFTER PER INSP REQUIREMENTS OF TABLE IV OF SRM 52-30-01 REPAIR 4 PG 204. IF DOOR CYCLES UNKNOWN THEN START INSP AT 3000 FLT CYCLE INTERVALS. LIMIT: 1) INIT: W/I 37500 TOTAL A/C F/C. INIT WILL AUTO-ITO.