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SDR AWXA200500419

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Service difficulty report · Stiffener · Boeing 737375

FAA SDR system

Difficulty date
March 18, 2005
Submitted
April 7, 2005
Operation
Air carrier
Aircraft
N336AW
Make and model
Boeing 737375
Aircraft serial
23707
Aircraft time
58,649 hours, 31,864 cycles
System (JASC)
5320 · Fuselage Miscellaneous Structure
Part
Stiffener
Part number
6546572515
Condition
Corroded
Location
Bulkhead
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-05 CHECK CORROSION WAS FOUND ON VERTICAL STIFFENER ON FORWARD FACE OF BULKHEAD BS 1088, RBL 33, BETWEEN WL 210 AND WL 220. MAINTENANCE REMOVED CORRODED VERTICAL STIFFENER AT BS 1088, RBL 33, FROM WL 210 TO WL 220; FABRICATED A NEW REPLACEMENT STIFFENER PER DWG 65-46572; INSTALLED REPAIR PART IAW B737-300 SRM 51-40-02, FIG 3 AND 8.