Service difficulty report · Intercostal · Boeing 7377H4

Difficulty date
July 25, 2023
Submitted
August 18, 2023
Operation
Air carrier
Aircraft
N292WN
Make and model
Boeing 7377H4
Aircraft serial
32538
Aircraft time
51,861 hours, 31,244 cycles
Part
Intercostal
Part number
UNKNOWN
Condition
Cracked
Location
Zn 200 Fus Top
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 BS 380-400 LBL 14 WL 208.<[01] UPDATED MEASUREMENTS TABLE;[02] PARTIAL UPDATED STEP 1 AND 2;[03] VERIFY APPLICABILITY NO ALLOWABLE DAMAGE LIMITS IN SRM REPAIR BY REPACEMENT IAW SRM 51-10-02-0G-0 PARAGRAPH # 9;[04] COMPLETED STEP # 6;[05] UPDATE STEP#6;[06] VERIFIED CORRECTIVE ACTION STEPS 3-5.;[07] REMOVED CRACKED INTERCOSTAL AND REPLACED IAW SRM 51-40-02; DWG# 143A5410 REV B AND DWG# 143A5400 REV A.;[08] TASK COMPLETE.

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