Service difficulty report · Intercostal · Boeing 7377Q8

Difficulty date
March 14, 2022
Submitted
April 13, 2022
Operation
Air carrier
Aircraft
N7877H
Make and model
Boeing 7377Q8
Aircraft serial
29359
Aircraft time
50,381 hours, 27,028 cycles
Part
Intercostal
Condition
Cracked
Location
Cabin
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

CRACK ON PASSENGER CABIN INTERCOSTAL AT RBL 1 BS 277+7; BS 277+14. / [01] EVALUATED CRACK ON PASSENGER CABIN INTERCOSTAL RBL 1 BS277+7'' BS277+14'' AND NO FOUND ALLOWABLE DAMAGE ON SRM DATA; PART REPAIRABLE BY REPLACEMENT IAW SRM 51-10-02-0G-0 PART 9C.;[02] REMOVED PASSENGER CABIN INTERCOSTAL IAW SRM 51-40-02-0G-0;[03] LOCATED AND DRILLED NEW INTERCOSTAL AT PASSENGER CABIN RBL 1 BETWEEN BS 277 TO BS 294.5 PER SRM 51-40-05 AND DWG 141A5400; OK TO INSTALL;[04] VERIFIED CORRECTIVE ACTION #3<BR>OK TO INSTALL GIVEN;[05] INSTALLED NEW INTERCOSTAL AT PASSENGER CABIN RBL 1 BETWEEN BS 277 TO BS 294 PER SRM 51-40-05 AND DWG 141A5400;[06] VERIFIED CORRECTIVE ACTION 5. INSTALLATION COMPLETED. <BR><BR>ADDED STEP TO ADDRESS FOD IN WORK AREA.;[07] STEP 1 COMPLETED;[08] VERIFIED CORRECTIVE ACTION 7 STEP 1

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