Service difficulty report · Angle · Boeing 7377Q8

Difficulty date
March 11, 2022
Submitted
April 18, 2022
Operation
Air carrier
Aircraft
N7877H
Make and model
Boeing 7377Q8
Aircraft serial
29359
Aircraft time
50,381 hours, 27,028 cycles
Part
Angle
Condition
Corroded
Location
Aft Cargo
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

CORROSION ON AFT BULKHEAD TO FLOOR SUPPORT ANGLE AT AFT CARGO BAY BS947 RBL12 TO RBL20. / [01] PRIOR TO REMOVAL;FOUND PART TO HAVE NO SRM LIMITS FOR ALLOWABLE DAMAGE AND SO PART ISREPAIRABLE BY REPLACEMENT;PER SRM 51-10-02-OG-0 STEP 9.;[02] REMOVED AFT BULKHEAD TO FLOOR SUPPORT ANGLE AT AFT CARGO BAY BS947 RBL12 TO RBL20;IAW SRM 51-10-02-OG-0 AND 51-40-02-OG-0.;[03] UPDATED MEASUREMENTS;[04] VERIFIED CORRECTIVE ACTION #3;[05] RECEIVED NEW ACB AFT BULKHEAD TO FLOOR SUPPORT P/N 149A8118U29 ; LOCATED AND DRILLED IAW SRM 51-40-05 AND DWG # 149A8118 OK TO INSTALL;[06] VERIFIED ITEM 5 CORRECTIVE ACTIONS. OK TO INSTALL.;[07] INSTALLED AT ACB AFT BULKHEAD TO FLOOR SUPPORT LOCATED BTW RBL24 - LBL 10 BS947. IAW SRM 51-40-02 AND DWG # 149A8117; DWG # 149A8110. ALL MAINTENANCE ACTION ARE COMPLETE REQUIRE FINAL BUYOFF.;[08] VERIFIED ITEM 7 CORRECTIVE ACTIONS.;[09] VERIFIED ITEM 7 CORRECTIVE ACTIONS.

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