Service difficulty report · Intercostal · Boeing 7378H4

Difficulty date
March 25, 2022
Submitted
April 19, 2022
Operation
Air carrier
Aircraft
N8628A
Make and model
Boeing 7378H4
Aircraft serial
42384
Aircraft time
27,196 hours, 12,448 cycles
Part
Intercostal
Condition
Cracked
Location
Fuselage
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 UPPER STTACH ANGLE STA 344-360; LBL 50; WL 208. / [01] UPON INVESTIGATION FOUND CRACKED INTERCOASTAL UPPER ATTACH ANGLE IS LOCATED AT BS 380 - 400; LBL 50; WL 208;[02] VERIFIED CRACK TO BE AT BS 380 TO BS 400; LBL 50; NOT AT BS 344-360 LBL 50.;[03] REMOVED DAMAGED INTERCOSTAL UPPER ATTACH ANGLE STA 380-400; LBL 50; WL 208 PER SRM 51-40-02-0G-0.;[04] LOCATED AND DRILLED NEW INTERCOSTAL UPPER ATTACH ANGLE STA 380-400; LBL 50; WL 208 PER SRM 51-40-02-0G-0; SRM 51-40-05-0G-0; DWG# 143A5400. OK TO INSTALL.;[05] VERIFIED CORRECTIVE ACTION 4.;[06] INSTALLED NEW INTERCOSTAL UPPER P/N 143A541U174 ATTACH ANGLE STA 380-400; LBL 50; WL 208 PER SRM 51-40-02-0G-0; SRM 51-40-05-0G-0; DWG# 143A5400.;[07] UPDATED STEP 1.;[08] CERTIFIED ACTIONS 6 AND 7.;[09] VERIFIED CORRECTIVE ACTIONS 6-8. ALL WORK ACCOMPLISHED.;[10] ALL WORK ACCOMPLISHED.

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