SDR AWXA200301579

Service difficulty report · Intercostal · Boeing 73733A

Difficulty date: December 8, 2003
Submitted: December 22, 2003
Operation: Air carrier
Aircraft: N174AW
Make and model: Boeing 73733A
Aircraft serial: 23633
Aircraft time: 58,322 hours, 36,148 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Intercostal
Part number: 6517684638
Condition: Cracked
Location: Fuselage
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-18 CHECK A .25 INCH CRACK WAS FOUND ON L-1 DOOR FORWARD INTERCOSTAL AT BS 294.5, STR 12 LT. MAINTENANCE REMOVED CRACKED INTERCOSTAL AT L-1 DOOR BS 294.5, STR 12 LT; FABRICATED A NEW REPLACEMENT INTERCOSTAL; INSTALLED REPAIR PART IAW B737-300 SRM 51-40-02 FIG 3, 8, 12 & 14.

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