Service difficulty report · Intercostal · Boeing 7377H4

Difficulty date
March 17, 2020
Submitted
April 20, 2020
Operation
Air carrier
Aircraft
N926WN
Make and model
Boeing 7377H4
Aircraft serial
36629
Aircraft time
40,878 hours, 24,621 cycles
Part
Intercostal
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

***CORROSION*** ON INTERCOSTAL AT MAIN EBAY BS294-BS312 S-23L WL161. MARKED / REMOVED CORROSION OF .009' OUT OF .045' ORIGINAL THICKNESS .036' REMAINING - OUT OF LIMITS. REPLACED INTERCOSTAL AT MAIN E-BAY B.S. 294-312; STR-23L. W.L. 161 PER SRM 53-10-15-1A-1; 51-40-02 AND DWG. 141A8131.

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