Service difficulty report · Intercostal · Boeing 7377Q8

Difficulty date
May 13, 2022
Submitted
June 16, 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
141A5410U16
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

CRACKED INTERCOSTAL AT FWD PASSENGER CABIN BS335 LBL46 WL208. / [01] REMOVED INTERCOSTAL AT FLOOR STRUCTURE BETWEEN BS 328 TO BS 344 LBL 46 PER SRM 51-40-02;[02] LOCATED AND DRILLED NEW INTERCOSTAL PN 141A5410-16 AT FLOOR STRUCTURE BETWEEN BS 328 TO BS 344 LBL 46 WL 208 PER SRM 51-40-05 AND DWG 141A5400.<BR>OK TO INSTALL PART;[03] VERIFIED CORRECTIVE ACTION STEP 2. VERIFIED OK TO INSTALL.;[04] INSTALLED NEW INTERCOSTAL AT FLOOR STRUCTURE FWD PASSENGER CABIN BETWEEN BS 328 TO BS 344 LBL 46 WL 208 PER SRM 51-40-02 AND DWG 141A5400;[05] VERIFIED CORRECTIVE ACTION STEP 4. VERIFIED MEASUREMENT TABLE AND TASK CARD COMPLETE.;[06] COMPLETE.

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