Service difficulty report · Intercostal · Boeing 7377H4

Difficulty date
June 11, 2021
Submitted
June 28, 2021
Operation
Air carrier
Aircraft
N298WN
Make and model
Boeing 7377H4
Aircraft serial
32543
Aircraft time
45,656 hours, 26,955 cycles
Part
Intercostal
Condition
Cracked
Location
Bs 500c-500d
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

FWD CARGO COMP L/H BETWEEN STA500C AND 500D INTERCOSTAL UNDER ZEE CHANNEL CRACKED ; / [01] REMOVED & REPLACED INTERCOSTAL AT FWD. CARGO COMPT. L/H BETWEEN STA. 500C & 500D;UNDER 'Z' CHANNEL IAW B-737-7 SRM 51-40-020G-0 & DWG.143A7505.; [02] REMOVED INTERCOSTAL AT FWD. CARGO COMPT. L/H BETWEEN STA. 500C & 500D UNDER 'Z' CHANEL;AS PER B-737-7 SRM 51-40-02-0G-0.; [03] RECEIVED NEW INTERCOSTAL P/N 143A7503-5;PO # 1724958;LOCATED & DRILLED AS PER B737-7 SRM 51-40-05-0G-0; & DWG. 143A7505.; [04] OK TO INSTALL NEW INTERCOSTAL; [05] INSTALLED NEW INTERCOSTAL AT FWD. CARGO COMPT. L/H BETWEEN STA. 500C & 500D; IAW B-737-7 SRM 51-40-02-0G-0 & DWG.143A7505.; [06] REMOVED & REPLACE INTERCOSTAL AT FWD. CARGO COMPT. L/H BETWEEN STA. 500C & 500D IAW B 737-7 SRM 51-40-02-0G-0 & DWG. 143A7500.; [07] VERIFIED 5;COMPLTE; [08] VERIFIED 6;COMPLTE

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