Service difficulty report · Tee Fitting · Boeing 75721B

Difficulty date
October 26, 2009
Submitted
October 26, 2009
Operation
Air carrier
Aircraft
N934FD
Make and model
Boeing 75721B
Aircraft serial
24331
Aircraft time
50,153 hours, 32,684 cycles
Part
Tee Fitting
Part number
144N8140Y46
Condition
Corroded
Location
Zone 100
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

FAIRING SUPPORT STRUCTURE: LOWER KEELBEAM VERTICAL WEB TEE FITTING HAS CORROSION AT STA 955, LBL 5.5 TO RBL 5.5. CORRODED TEE FITTING AT STA 955, LBL 5.5 TO RBL 5.5 REMOVED AND REPLACED IN ACCORDANCE WITH SRM 51-40-02 REV. 98. REPAIR IS CLASSIFIED AS MINOR AS PER GMM 6-2-100 CRITERIA.

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