SDR AWXA200301543

Service difficulty report · Intercostal · Boeing 73733A

Difficulty date: December 4, 2003
Submitted: December 16, 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: 66142081
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

DURING C-18 CHECK A .625 INCH CRACK WAS FOUND IN FORWARD INTERCOSTAL AT L-1 DOOR OPENING BS 294.5, STR 11 LT. MAINTENANCE REMOVED CRACKED FORWARD INTERCOSTAL AT L-1 DOOR OPENING BS 294.5, STR 11 LT; FABRICATED A NEW REPLACEMENT INTERCOSTAL PER DWG 66-14208; INSTALLED REPAIR PART IAW B737-300 SRM 51-20-01, PG 45, 47, & 63, FIG 2, 12, & 14.

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