SDR AWXA200600321

Service difficulty report · Stiffener · Boeing 7373B7

Difficulty date: January 12, 2006
Submitted: February 16, 2006
Operation: Air carrier
Aircraft: N328AW
Make and model: Boeing 7373B7
Aircraft serial: 23377
Aircraft time: 61,229 hours, 37,424 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Stiffener
Part number: 654587514
Condition: Corroded
Location: Threshold
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 C24 CHECK DISCOVERED LEVEL 2 CORROSION ON 3 ZEE STIFFENERS SUPPORTS FOR THE R1 DOOR THRESHOLD PLATE, FROM BS 312 TO BS 328, WL 208 AND BL 62R. MAINTENANCE REMOVED, FABRICATED AND INSTALLED 3 REPLACEMENT ZEE STIFFENERS FOR THE R1 THRESHOLD PLATE SUPPORTS IAW BOEING 737-300 SRM 51-40-02-0G FIGURES 3, 4, 6, 7, 8 AND BACK DWG 65-45875.

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