SDR FDEA201109103820

Service difficulty report · Tee Fitting · Boeing 7572Q8

Difficulty date: September 10, 2011
Submitted: September 16, 2011
Operation: Air carrier
Aircraft: N995FD
Make and model: Boeing 7572Q8
Aircraft serial: 25131
Aircraft time: 41,441 hours, 15,658 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Tee Fitting
Condition: Corroded
Location: Bs 1720
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

MCD AFT PRESSURE DECK UPON REMOVAL FOUND TEE ANGLE CORRODED BS 1720 LBL-50 REMOVED TEE ANGLE FOR ACCESS TO CORROSION, PER SRM 51-40-02. REMOVED CORROSION PER SRM 51-10-02. FOUND OUT OF LIMITS PER SRM 53-80-05, DETAIL 9, P.109. LOCATED AND DRILLED NEW TEE PER SRM 51-40-05. INSTALLED TEE ANGLE PER SRM 51-40-02 AND DRAWING 146N8722. MAJOR REPAIR.

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