Service difficulty report · Support 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
Support Frame
Condition
Damaged
Location
Zone 200
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

HFEC OPEN HOLE INSPECTION CARRIED OUT ON 02 EA FASTENER HOLES AT STA 2598 BLKHD FRAME SUPPORT STA 2598 BELOW S-11L AND FOUND 02 EA HOLES DAMAGED ON THE 2ND LAYER, VIEW I/B AND FITTING HOLES. DAMAGED AREAS ON BS 2598 BULKHEAD FRAME SUPPORT AREAS REPAIRED IAW EN 3692-26 REV. 0, AND EN 3809-26 REV 0. REPAIR CLASSIFIED AS MAJOR AND CATEGORIZED AS CATEGORY B PERMANENT REPAIR.

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