Service difficulty report · Support Angle · Boeing 7378

Difficulty date
November 8, 2023
Submitted
November 28, 2023
Operation
Air carrier
Aircraft
N8704Q
Make and model
Boeing 7378
Aircraft serial
36988
Aircraft time
12,980 hours, 5,976 cycles
Part
Support Angle
Part number
UNKNOWN
Condition
Corroded
Location
Zn 100 Fus Lower
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 FCB AFT BHD LOWER SUPPORT ANGLE AT BS 500H+21 WL156; AT LBL 3; LBL 9; LBL 13.5; LBL 17.5; LBL 23.5; RBL 2.5; RBL 9; RBL 13; RBL 18; AND RBL 23<[01] REMOVED CORROSION ON FCB AFT BHD LOWER SUPPORT ANGLE <BR>BS 500H RBL 24 TO LBL 24 WL 156 FOUND OUT OF LIMITS<BR>IAW SRM 53-00-53-1A-2 ALLOWABLE DAMAGE 2<BR><BR>REMOVED AND REPLACED FCB AFT BHD LOWER SUPPORT ANGLE<BR>BS 500H RBL 24 LBL 24 IAW SRM 51-40-05;SRM 51-40-02 AND <BR>DWG 143A9481;[02] VERIFIED JOB COMPLETE<BR><BR>VERIFIED MEASUREMENT TABLE

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