SDR AWXA200301647

Service difficulty report · Intercostal · Boeing 73733A

Difficulty date: December 4, 2003
Submitted: December 31, 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: 65479577
Condition: Corroded
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 EXFOLIATION CORROSION WAS FOUND ON AFT CARGO COMPARTMENT INTERCOSTAL (WEB) BETWEEN BS 847 AND BS 867, RBL 21 AT DOOR CUTOUT FRAME. MAINTENANCE CUT OUT CORRODED WEB BETWEEN BS 847 AND BS 867, RBL 21; FABRICATED A NEW REPLACEMENT WEB PER DWG 65-47957; INSTALLED REPAIR PART IAW B737-300 SRM 51-40-02, FIG 8 & 12 PG 1.

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