Service difficulty report · Support · Boeing 75721B

Difficulty date
August 5, 2009
Submitted
August 5, 2009
Operation
Air carrier
Aircraft
N933FD
Make and model
Boeing 75721B
Aircraft serial
24330
Aircraft time
52,447 hours, 30,243 cycles
Part
Support
Part number
149N712711
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

AIR COND RAM AIR INLET FRAME SUPPORT STRUCTURE HAS CORROSION FROM STA 680 TO STA 900, RBL 19.0". CORROSION ON SUPPORT STRUCTURE FOUND EXCEEDED SRM ALLOWABLE DAMAGE LIMITS. SUPPORT STRUCTURE REMOVED AND REPLACED IAW SRM 51-40-02 REV.97. REPAIR IS CLASSIFIED AS MINOR PER GMM 6-2-100 CRITERIA.

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