SDR FDEA200912074367

Service difficulty report · Channel · Boeing 75723A

Difficulty date: December 7, 2009
Submitted: December 7, 2009
Operation: Air carrier
Aircraft: N921FD
Make and model: Boeing 75723A
Aircraft serial: 24924
Aircraft time: 68,004 hours, 21,149 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Channel
Part number: 143N832860
Condition: Corroded
Location: Bs 1663
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

THE 143N8328-60 CHANNEL IS CORRODED AT BS 1663, R4 DOOR LWR SILL. THE CHANNEL PN 143N8328-60 WAS REMOVED AND REPLACED AT BS 1663, R4 DOOR LWR SILL, IAW SRM 51-40-02. ORIG MATL THICKNESS; .063", AFTER REWORK; .031". FOUND OUT OF LIMITS IAW SRM 53-60-15. THIS REPAIR IS CLASIFIED AS A CAT "A" MAJOR REPAIR.

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