Service difficulty report · Fitting · Boeing 74745EF

Difficulty date
October 7, 2026
Submitted
October 8, 2026
Operation
Air carrier
Aircraft
N486MC
Make and model
Boeing 74745EF
Aircraft serial
30608
Aircraft time
111,088 hours, 19,701 cycles
Part
Fitting
Part number
65B2643U3
Part serial
NSN
Condition
Corroded
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 OPEN HOLE INSPECTION AT LEFT UPPER SPLICE FITTING AT STA 2598 BULKHEAD, FOUND 01 EA HOLE WITH CORROSION AT 9 O'CLOCK POSITION AND 01 EA WITH CRACK INDICATION AT 12 O'CLOCK POSITION.(<P><!--STARTFRAGMENT-->WORK ACCOMPLISHED PER EN 3842-26 REV.0. NO FURTHER DEFECTS NOTED.<!--ENDFRAGMENT--></P>)

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