SDR FDEA200911204088

Service difficulty report · Support · Boeing 75721B

Difficulty date: November 20, 2009
Submitted: November 20, 2009
Operation: Air carrier
Aircraft: N934FD
Make and model: Boeing 75721B
Aircraft serial: 24331
Aircraft time: 50,153 hours, 32,684 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Support
Part number: 251N2493
Condition: Corroded
Location: Zone 300
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

VERTICAL SUPPORT BOX FOR RUDDER AND ELEVATOR COMPONENTS CORRODED INSIDE AND OUTSIDE RIVETS, PLATES AND BEARINGS. CORRODED PARTS ON VERTICAL SUPPORT BOX REMOVED AND REPLACED IAW SRM 51-40-02, REV 98. REPAIR IS CLASSIFIED AS MAJOR IAW GMM 6-2-100 CRITERIA.

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