Service difficulty report · Keelbeam · Boeing 75721B

Difficulty date
October 30, 2009
Submitted
October 30, 2009
Operation
Air carrier
Aircraft
N934FD
Make and model
Boeing 75721B
Aircraft serial
24331
Aircraft time
50,153 hours, 32,684 cycles
Part
Keelbeam
Part number
144N81402
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 KEELBEAM LWR CHORD SPLICE ANGLE HARDWARE AND 2 NUT PLATES AT BS 1001.5, RBL 6.5" HAS CORROSION AROUND EIGHT EACH BOLT HOLES. CORRODED SPLICE ANGLE AND FASTENERS ON KEELBEAM LWR CHORD AT BS 1001.5 REMOVED AND REPLACED IAW SRM 51-40-02 REV. 98. REPAIR IS CLASSIFIED AS MINOR IAW GMM 6-2-100 CRITERIA.

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