Service difficulty report · Floorbeam · Boeing 75721B

Difficulty date
June 29, 2009
Submitted
June 30, 2009
Operation
Air carrier
Aircraft
N933FD
Make and model
Boeing 75721B
Aircraft serial
24330
Aircraft time
52,447 hours, 30,243 cycles
Part
Floorbeam
Part number
146N544321
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

AT BS 1600, LBL 4 FLOORBEAM SUPPORT ANGLE CORRODED. FOUND EXCEEDED SRM ALLOWABLE DAMAGE LIMITS. SUPPORT ANGLE REMOVED AND REPLACED IAW SRM 51-40-02 REV 97. REPAIR IS CLASSIFIED AS MINOR GMM 6-2-100 CRITERIA.

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