Service difficulty report · Intercostal · Boeing 7377Q8

Difficulty date
May 13, 2022
Submitted
June 14, 2022
Operation
Air carrier
Aircraft
N7876A
Make and model
Boeing 7377Q8
Aircraft serial
29355
Aircraft time
50,771 hours, 27,451 cycles
Part
Intercostal
Part number
141A5400
Condition
Cracked
Location
Pax Cabin
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

CRACKED INTERCOSTAL AT FWD PASSENGER CABIN BS317 RBL31 WL208. / [01] VERIFIED APPLICABILITY AS PER SRM 53-10-51-1A-1.<BR><BR>CRACK WAS FOUND OUT OF LIMIT DUE DISTANCE FROM HOLE; NO PERMITTED; IAW SRM 53-10-51-1A-1 STEP 4.B(1)(A); FIG.105.<BR><BR>LOCATED AND DRILLED NEW INTERCOSTAL P/N: 141A5410-12; IAW SRM 51-40-05 AND DWG 141A5400.;[02] VERIFIED CORRECTIVE ACTION 1 AND MEASUREMENT TABLE.;[03] INSTALLED NEW INTERCOSTAL AT BS312 - BS328; RBL31; IAW SRM 51-40-02 AND DWG. 141A5400;[04] VERIFIED CORRECTIVE ACTION #3

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