SDR AWXA200500995

Service difficulty report · Stiffener · Boeing 7373S3

Difficulty date: July 15, 2005
Submitted: August 23, 2005
Operation: Air carrier
Aircraft: N313AW
Make and model: Boeing 7373S3
Aircraft serial: 23712
Aircraft time: 59,620 hours, 37,014 cycles
System (JASC): 5315 · Fuselage Main, Floor Beam
Part: Stiffener
Part number: 6545834255
Condition: Corroded
Location: Bs 297-308
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 - DURING C18 CHECK DISCOVERED CORROSION ON THE BOTTOM OF FLOOR SUPPORT STIFFENER AT RBL 11, WL 208, BS 297 TO BS 308. CORROSION WAS FOUND TO BE OUT OF LIMITS IAW BOEING 737-300 SRM 53-10-51-1 FIG 101. REMOVED STIFFENER AND PREPARED NEW STIFFENER FOR INSTALLATION IAW BOEING 737-300 SRM 51-40-05-0. INSTALLED FABRICATED REPAIR PARTS AT RBL 11, WL 208, BS 297 TO BS 308 IAW BOEING 737-300 SRM 51-40-02-0.

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