Service difficulty report · Door Frame · Boeing 74748EF

Difficulty date
October 9, 2026
Submitted
October 10, 2026
Operation
Air carrier
Aircraft
N419MC
Make and model
Boeing 74748EF
Aircraft serial
28367
Aircraft time
121,274 hours, 20,941 cycles
Part
Door Frame
Condition
Cracked
Location
Zone 100
Stage of operation
IN
How discovered
E
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 HFEC INSPECTION ON LOWER LOBE AFT CARGO DOOR CUTOUT FORWARD UPPER CORNERS, FOUND CRACK APPROX 0.3" IN LENGTH AS MARKED(<P>DOUBLER REPAIR CARRIED OUT ON THE LOWER LOBE AFT CARGO DOOR CUTOUT FWD UPPER CORNER CRACKED AREA AS PER SRM 53-60-01-2R-3 REPAIR 3, REV. 107 AND EN 3512-26 REV. 0. REPAIR CLASSIFIED AS "MAJOR" AND CATEGORIZED AS "CATEGORY B"

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