SDR FDEA201603010746

Service difficulty report · Tee Fitting · Doug MD1030F

Difficulty date: March 1, 2016
Submitted: March 2, 2016
Operation: Air carrier
Aircraft: N304FE
Make and model: Doug MD1030F
Aircraft serial: 46992
Aircraft time: 83,538 hours, 27,155 cycles
System (JASC): 5312 · Fuselage Main, Bulkhead
Part: Tee Fitting
Part number: ANB73532
Condition: Cracked
Location: Bs 1156
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

RIGHT BS 1156, PRESS BULKHEAD TEE CAP FWD FLANGE HAS A 1.5 INCH CRACK JUST ABOVE SPLICE PLATE AT LONGERON 37R. THE CRACK PROPAGATED THROUGH THE RADIUS VERTICALLY & EXTENDING BEHIND THE BULKHEAD STIFFENER AT X=88.270. REMOVED FASTENERS, CUT & REMOVED SECTION OF T CAP. REPAIRED TEE CAP WITH BOTH SRM 53-40-00 BFIG 24 SHT 1-3 & EA 8-5310-T0323992, PART P1.

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