SDR UPS06446991

Service difficulty report · Structure · Boeing 747212B

Difficulty date: May 27, 2006
Submitted: May 30, 2006
Operation: Air carrier
Aircraft: N520UP
Make and model: Boeing 747212B
Aircraft serial: 21943
System (JASC): 5230 · Cargo/Baggage Doors
Part: Structure
Condition: Cracked
Location: Cargo Door
Stage of operation: IN
How discovered: 9
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

FOUND CRACK IN FWD LWR CARGO DOOR STRUCTURE. A/C WILL FERRY TO PAE. STOP DRILLED END OF CRACK TO .250 DIA HOLE. ROUTED OUT CRACK. RE- WORK OUTER SKIN TO INITAL CONTOUR IAW SRM 52-30-06. HFEC THE STOP DRILL HOLE. FABRICATED WEB REPAIR DOUBLER. ALODINE/PRIMED ALL BARE METAL. PRIMED DOUBLER IAW MM 41-24-11. INSTALLED REPAIR DOUBLER. OPS TEST CARGO DOOR & WARNING SYSTEM-OPS GOOD. D326253 CLEARED

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