Service difficulty report · Tee Fitting · Doug DC951

Difficulty date
September 14, 2013
Submitted
September 17, 2013
Operation
Air carrier
Aircraft
N780NC
Make and model
Doug DC951
Aircraft serial
48102
Aircraft time
76,526 hours, 71,252 cycles
Part
Tee Fitting
Condition
Cracked
Location
Bulkhead
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

DURING INSPECTION, FOUND AFT PRESSURE BULKHEAD TEE CAP BETWEEN STR 13 TO 14L HAS CRACK INDICATION MEASURED THE TOTAL LENGTH IS 4". REMOVED DAMAGED BULKHEAD TEE SECTION FROM APB LONGERON 7-17 LT. LOCATED & DRILLED NEW TEE SECTION. INSTALLED NEW TEE SECTION AT APB LONGERON 7-17L IAW W/C 5310-01203-04E, ERA 516484-14AD REV O & DWG.

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