Service difficulty report · Intercostal · Boeing 7377Q8

Difficulty date
May 17, 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
143A751034
Condition
Cracked
Location
Fwd Cargo Bay
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 BAY INTERCOSTAL UNDER FLOOR TO SIDEWALL SUPPORT BS 400-420 RBL 25 IS CRACKED / [01] VERIFIED APPLICABILITY NOT ALLOWABLE DAMAGE PART THAT DO NOT HAVE ENTRIES ARE CALLED REPAIRABLE BY REPLACEMENT IAW SRM 51-10-02 STEP 9C;[02] REMOVED FWD CARGO BAY INTERCOSTAL BS 400 - BS 420 RBL 25 IAW SRM 51-40-02;[03] RECEIVED FWD CARGO BAY INTERCOSTAL BS 400 TO BS 420 RBL 25 ITEM 143A7510-34 PO#868468. LOCATED AND DRILLED IAW SRM 51-40-05 AND DWG143A7502<BR>OK TO INSTALL;[04] UPDATED REPAIR TYPE IN MEASUREMENT FIELD;[05] VERIFIED CORRECTIVE ACTION STEPS 1;2 AND 3.;[06] INSTALLED ON FWD CARGO BAY INTERCOSTAL BS 400-BS 420 RBL 25 IAW SRM 51-40-02 AND DWG 143A7505;[07] VERIFIED CORRECTIVE ACTION STEP 6.;[08] VERIFIED MEASUREMENTS TABLE AND TASK CARD COMPLETE.

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