Service difficulty report · Tee Fitting · Boeing 75721B

Difficulty date
June 8, 2009
Submitted
June 8, 2009
Operation
Air carrier
Aircraft
N933FD
Make and model
Boeing 75721B
Aircraft serial
24330
Aircraft time
52,447 hours, 30,243 cycles
Part
Tee Fitting
Part number
144N81403
Condition
Corroded
Location
Bs 900-1040
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

KEELBEAM HAS INTERGRANULAR CORROSION FROM STA 900 TO STA 1040. FAIRING STRUCTURE. FOUND EXCEEDED SRM DAMAGE LIMITS. CHORD REMOVED AND REPLACED IAW SRM 51-40-02 REV. 97. REPAIR IS CLASSIFIED AS MINOR PER GMM 6-2-100 CRITERIA.

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