Service difficulty report · Support Angle · Boeing 73773V

Difficulty date
January 12, 2021
Submitted
May 21, 2021
Operation
Air carrier
Aircraft
N564WN
Make and model
Boeing 73773V
Aircraft serial
30244
Aircraft time
50,417 hours, 34,956 cycles
Part
Support Angle
Condition
Corroded
Location
Bs 440
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 ANGLE - SUPPORT LOCATED BS440; LBL27; WL 156.5 AT FWD CARGO COMPARTMENT (1 EA) / REPLACED CHANNEL LOC BS 440 LBL 27 WL 156.5 AT FWD CARGO COMPARTMENT (1EA) IAW B737-700 SRM 51-10-02 ITEM 9 51-40-02 DWG #143A9405 REV AND DWG #143A1221 REV DO TO NOT FOUND ALLOWABLE DAMAGE ON SRM B737-700 MEASUREMENTS CORROSION ARE L=0.688' W=0.509' D=0.009' TOOL USED CALIPER PN 700-113-10 SN 0028645 DUE DATE 10-OCT-21 MATERIAL USED 7075-TO -0.050 PO 2020-21328 HEAT TREATED TO TE IAW BAC 5602

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