SDR AWXA200300212

Service difficulty report · Intercostal · Boeing 7373S3

Difficulty date: February 16, 2003
Submitted: February 28, 2003
Operation: Air carrier
Aircraft: N312AW
Make and model: Boeing 7373S3
Aircraft serial: 24060
Aircraft time: 38,197 hours, 28,208 cycles
Engine time: 0 hours, 0 cycles
System (JASC): 5322 · Fuselage Internal Mounting Structure
Part: Intercostal
Part number: 6545834
Condition: Cracked
Part time: 0 hours, 0 cycles
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

YVR - MAJOR REPAIR - DURING C-11 CHECK A 1/2" CRACK WAS FOUND ON LOWER WEB FLANGE (INTERCOSTAL) AT BS 360, BL 0. MAINTENANCE CUTOUT CRACKED AREA OF INTERCOSTAL AT BS 360, BL 0; FABRICATED A TAPERED SHIM AND REPAIR ANGLE; INSTALLED REPAIR PARTS IAW B737-300 SRM 51-70-11, FIG. 1, SHEETS 1-5.

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