Service difficulty report · Support Angle · Boeing 7378H4

Difficulty date
April 30, 2022
Submitted
May 12, 2022
Operation
Air carrier
Aircraft
N8685B
Make and model
Boeing 7378H4
Aircraft serial
36723
Aircraft time
20,280 hours, 9,431 cycles
Part
Support Angle
Part number
146A812553
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

AFT PIT FWD SHIELD SUPPORT ANGLE AT STA 767+7 WL 155 RBL 22 HAS CORROSION ON UPPER SURFCE / [01] REMOVED CORRODED FWD SHIELD SUPPORT ANGLE BS 767-787 RBL 22 IAW SRM 51-40-02-0G-0;[02] VERIFIED NEW FWD SHIELD SUPPORT ANGLE BS 767-787 RBL 22 IAW DWG 146A0081 REV A P/N 146A8125-53 ATAG WN15434;[03] VERIFIED NEW PART;[04] LOCATED AND DRILLED FWD SHIELD IAW SRM 51-40-05-0G-0 DWG 146A0081 REV A;[05] EDIT TO ITEM 4. LOCATED AND DRILLED FWD SHIELD SUPPORT ANGLE IAW SRM 51-40-05-0G-0 DWG 146A0081 REV A;[06] VERIFIED STEPS 4 AND 5<BR>OK TO INSTALL<BR>OK TO CIC;[07] INSTALLED NEW FWD SHIELD SUPPORT ANGLE IAW SRM 51-40-02-0G-0 DWG 146A0081 REV A;[08] REMOVED AND REPLACED AFT PIT FWD SHIELD SUPPORT ANGLE AT STA 767-787 RBL 22 IAW SRM 51-40-02-0G-0 AND DWG 146A0081 REV A;[09] VERIFIED STEPS 7 AND 8 <BR>AUDIT C/W

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