Service difficulty report · Keelbeam · Boeing 75721B

Difficulty date
April 28, 2009
Submitted
April 28, 2009
Operation
Air carrier
Aircraft
N933FD
Make and model
Boeing 75721B
Aircraft serial
24330
Aircraft time
52,447 hours, 30,243 cycles
Part
Keelbeam
Part number
144N8140053
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

KEELBEAM LOWER LT CHORD HAS CORROSION AT STA 1003, LBL 8.0 INCH FAIRING STRUCTURE. FARING STRUCTURE LWR CHORD AT STA 1003, LBL 8 FOUND CORRODED BEYOND SRM REPAIRABLE LIMITS. CHORD REMOVED AND REPLACED IAW SRM 51-40-02 REV. 97. REPAIR IS CLASSIFIED AS MINOR IAW GMM 6-2-100.

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