Service difficulty report · Support · Boeing 73773V

Difficulty date
January 11, 2021
Submitted
February 11, 2021
Operation
Air carrier
Aircraft
N564WN
Make and model
Boeing 73773V
Aircraft serial
30244
Aircraft time
50,417 hours, 34,956 cycles
Part
Support
Part number
146A7500
Condition
Corroded
Location
Aft Cargo
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 SUPPORT ZEE LOCATED BS747 TO BS847 AT LEVEL STR25L AND WL156.5 AFT CARGO COMPARTMENT / REPLACED SUPPORT ZEE SECTION LOC FROM BS 747 TO BS 847 AT LEVEL STR 25L AND WL 156.5 AFT CARGO COMPARTMENT IAW SRM B737-700 51-40-02; 51-10-02 ITEM 9; DWG #146A7500 AND SRM B737-700 53-00-53-2R-6 REPAIR 6 DUE TO EVALUATED CORROSION AND FOUND OUT OF LIMITS IAW SRM B737-700 53-00-53-1A-2 TABLE 101; PARAGRAPH 4A(2) DETAIL C FIG 103. MATERIAL USED PN BAC1496-377 7075 T62 PO 162469

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