Service difficulty report · Intercostal · Boeing 7377H4

Difficulty date
May 11, 2021
Submitted
June 14, 2021
Operation
Air carrier
Aircraft
N222WN
Make and model
Boeing 7377H4
Aircraft serial
34290
Aircraft time
52,415 hours, 31,247 cycles
Part
Intercostal
Condition
Corroded
Location
Bs 259-270
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. 259.5 - 270; L.B.L. 3 - R.B.L. 3; W.L. 207.54. ; / VERIFIED OK TO INSTALL INTERCOSTAL AT BS 259.5-270 LBL 3 WL 207.54 IAW SRM 51-40-05-0G-0.; INSTALLED NEW INTERCOSTAL AT FLIGHT DECK FLOOR AREA IAW SRM 51-40-02-0G-0 AND DRAWING # 141A5210; VERIFIED INSTALLED NEW INTERCOSTAL AT FLIGHT DECK FLOOR AREA IAW SRM 51-40-02-0G-0 AND DRAWING # 141A5210.

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