SDR AWXA200500030

Service difficulty report · Sill · Boeing 7373Q8

Difficulty date: December 24, 2004
Submitted: January 13, 2005
Operation: Air carrier
Aircraft: N327AW
Make and model: Boeing 7373Q8
Aircraft serial: 23507
Aircraft time: 55,400 hours, 37,191 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Sill
Part number: 6517688165
Condition: Corroded
Location: L1 Door
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

MCN - MAJOR REPAIR - DURING C-17 CHECK CORROSION WAS FOUND ON L-1 DOOR SILL INNER CHORD (CREASE BEAM) BETWEEN BS 300 AND BS 349, LBL 60, WL 208. MAINTENANCE REMOVED CORRODED L-1 DOOR SILL CREASE BEAM FROM BS 300 TO BS 349, LBL 60; FABRICATED A NEW REPLACEMENT CREASE BEAM PER DWG 65-17688; INSTALLED REPAIR PART IAW B737-300 SRM 51-40-02 FIG 8 & 12.

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