Service difficulty report · Tee Fitting · Doug MD11F

Difficulty date
October 9, 2026
Submitted
October 10, 2026
Operation
Air carrier
Aircraft
N610FE
Make and model
Doug MD11F
Aircraft serial
48603
Aircraft time
96,810 hours, 23,690 cycles
Part
Tee Fitting
Part number
APB7158502
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

CENTER W/W FORWARD BULKHEAD RT HAND TEE FITTING UPPER CORNER SUSPECT CRACK AT BS 1368.650. THE TEE FITTING WAS R & R IAW SRM 51-31-01-0G. FITTING FABRICATED BY MACHINING IAW DRAWING APB7158, REVISION C. REPAIR CLASSIFIED AS MAJOR IAW GMM 6-2-100.

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