Service difficulty report · Frame · Boeing 73773V

Difficulty date
November 13, 2019
Submitted
May 16, 2022
Operation
Air carrier
Aircraft
N558WN
Make and model
Boeing 73773V
Aircraft serial
30248
Aircraft time
53,446 hours, 34,461 cycles
Part
Frame
Condition
Corroded
Location
Fuselage
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

DURING BOEING AOG VISIT TO REPLACE THE RH PICKLE FORK FRAME ASSY; CORROSION WAS NOTED IN THE UPPER SURFACE OF THE P/N 144A7311-20 WEB; STA 690; RBL 70; WL 195. CORROSION LOCATION AND REWORK DISPOSITION IS DOCUMENTED IN BOEING FRR-7. REFERENCE B737-700 IPC 53-12-00-05; SHEET 001; ITEM 430; BEAM INSTL-SECT 44 STGR S18A. NRC WRITTEN FOR CORROSION REPORTING ONLY. / REWORK OF CORROSION IS DOCUMENTED IN BOEING FRR-7; UNDER AGREEMENT SWA-RE-1906934. REF. EA 1-753-35958 FOR REPAIRS PERFORMED BY THE BOEING AOG TEAM. NOTE: CORROSION FOUND ON 11/8/19.

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