Service difficulty report · Intercostal · Boeing 7377H4

Difficulty date
October 19, 2019
Submitted
May 16, 2022
Operation
Air carrier
Aircraft
N969WN
Make and model
Boeing 7377H4
Aircraft serial
41777
Aircraft time
27,175 hours, 16,491 cycles
Part
Intercostal
Condition
Cracked
Location
Cabin Floor
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

PASSENGER CABIN FWD WET AREA BETWEEN STA 312 AND 328 LBL 45 INTERCOSTAL IS CRACKED AS MARKED / REMOVED INTERCOSTAL FROM BS 310 TO 328 LBL 45' IAW SRM 51-40-02. IDENTIFIED NEW INTERCOSTAL P/N 141A5410-12 IAW DWG 141A5400 REV - LOCATED AND DRILLED NEW PART AT BS 312 TO 328 LBL 45' IAW DWG 141A5400 REV - AND SRM 51-40-05-0G-0. APPLIE CIC AREA REWORK IAW AMM 51-21-91-620-802; TESTED NUT PLATE BOND TOOL AAR #41801 (CB602-3) DUE 2/20 IAW SRM 51-40-10-2R-0 ATAG #A14442

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