Service difficulty report · Intercostal · Boeing 7377H4

Difficulty date
June 16, 2021
Submitted
July 14, 2021
Operation
Air carrier
Aircraft
N226WN
Make and model
Boeing 7377H4
Aircraft serial
32494
Aircraft time
53,110 hours, 31,655 cycles
Part
Intercostal
Condition
Corroded
Location
Fuselage
Stage of operation
IN
How discovered
9
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 SUPPORT INTERCOSTAL AT B.S. 259-270 AT L.B.L. 3 - R.B.L. 3; W.L. 207.54. REMOVED CORROSION ON SUPPORT INTERCOSTAL AT B.S. 259-270 AT LBL-3 TO RBL-3 WL 207.54. FOUND TO BE OUT OF LIMITS IAW SRM 53-10-51-1A-1 STEP 4.B.(2)(A)(C). LOCATED AND DRILLED NEW INTERCOSTAL IAW SRM 51-40-02-0G-0 AND DWG 141A5211. INSTALLED INTERCOSTAL IAW SRM 51-40-02-0G-0 AND DWG141A5210.

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