Service difficulty report · Support Angle · 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
Support Angle
Part number
149A811829
Condition
Corroded
Location
Aft 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

CORROSION ON AFT BULKHEAD TO FLOOR SUPPORT ANGLE AT ACB BS947; LBL6; LBL9. / [01] REMOVED AFT CARGO BAY FLOOR TO BULKHEAD SUPPORT ANGLE BS 947 LBL9 TO RBL 20 IAW SRM 51-40-02-0G-0;[02] EVALUATE DAMAGE: CORROSION AT ACB ON AFT BULKHEAD TO FLOOR SUPPORT ANGLE AT BS 947 ; LBL6; LBL .9 FOUND TO BE OUT OF LIMIT DUE TO NO HAVE ENTRIES BY ALLOWABLE DAMAGE IN SRM. PART WILL BE REPAIRED BY REPLACEMENT IAW SRM 51-10-02-0G-0 PAR-9;[03] RECEIVED ON AFT BULKHEAD TO FLOOR SUPPORT ANGLE AT ACB BS 947 LBL 6 TO RBL 21 ITEM 149A8118-29 PO#869044. LOCATED AND DRILLED IAW SRM 51-40-05 AND DWG 149A8118;[04] OK TO INSTALL AFT CARGO BAY AFT BULKHEAD LOWER SUPPORT ANGLE;[05] VERIFIED CORRECTIVE ACTION #2; 3; 4<BR>VERIFIED MEASUREMENTS;[06] INSTALLED AFT CARGO BAY AFT BULKHEAD LOWER FLOOR SUPPORT ANGLE BS 947 IAW SRM 51-40-02-0G-0 AND DWG# 149A8117 REVB-C;[07] VERIFIED CORRECTIVE ACTION #6

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