Service difficulty report · Support Frame · Boeing 757204

Difficulty date
February 1, 2009
Submitted
February 3, 2009
Operation
Air carrier
Aircraft
N923FD
Make and model
Boeing 757204
Aircraft serial
26266
Aircraft time
57,271 hours, 18,855 cycles
Part
Support Frame
Part number
149N7528
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

LOWER FUSELAGE, SUPPORT FRAME HAS INTERGRANNULAR CORROSION AT STA 1180, RBL 7.0 TO 29.0 AT KEELBEAM. REPLACED IAW DWG 149N7528 AND SRM 51-40-02. REPAIR IS CLASSIFIED AS MINOR PER GMM 6-2-100 CRITERIA.