Service difficulty report · Tee Fitting · 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
Tee Fitting
Part number
65B07934576
Condition
Cracked
Location
Zone 200
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

LOWER FUSELAGE: STA 250 TO STA 260 FWD BULKHEAD R/H SIDE T-CHORD FOUND CRACKED.(<P >AT R/H NOSE W/W FWD BULKHEAD STA 250 TO STA 260, CRACKED T-CHORD REMOVED AND INSTALLED WITH NEW FABRICATED T-CHORD AS PER EN 3565-26 REV.0. REPAIR CLASSIFIED AS "MAJOR" REPAIR WITH FIRST AND SECOND STAGE APPROVAL. NO ADDITIONAL STRUCTURAL WORK REQUIRED. INSPECTION THRESHOLD OF 23,941 TOTAL FLIGHT CYCLES. TO BE COMPLIED WITH SUBSEQUENT TO FAA APPROVAL REQUIREMENTS BEFORE REACHING THE INSPECTION THRESHOLD. NO FURTHER DEFECTS NOTED.</P>)

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