SDR UPS97424684

Service difficulty report · Frame · Boeing 747212B

Difficulty date: October 13, 1997
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N521UP
Make and model: Boeing 747212B
Aircraft serial: 21944
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Frame
Condition: Corrosion
Location: Cargo Doorway
Stage of operation: IN
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

INSPECTION TYPE-N/A, AFT LOWER CARGO DOOR FRAME WEB HAS HOLE FROM CORROSION. LOWER FWD DOOR FRAME APPROX 18 IN UP FROM LOWER FWD CORNER. REMOVED CORROSION FROM WEB. MEASURED AMOUNT REMOVED WAS FOUND TO BE .025, REQ DOUBLER INST. INSTALLED WEB REPAIR IAW 53-10-04.

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