Service difficulty report · Support · Boeing 7377H4

Difficulty date
October 28, 2020
Submitted
December 2, 2020
Operation
Air carrier
Aircraft
N403WN
Make and model
Boeing 7377H4
Aircraft serial
29815
Aircraft time
67,398 hours, 39,889 cycles
Part
Support
Part number
146A7500
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

CORROSION SUPPORT ZEE LOCATED BETWEEN BS 727D TO BS 787 AT LEVEL STR 25L AND LBBL 22.5 AT AFT CARGO COMPARTMENT WL 157. REPLACED SUPPORT ZEE AND FASTENERS LOCATED BETWEEN BS 7270 TO BS 787 AT LEVEL STR 25L AND LBBL 22.5 AT AFT CARGO COMPARTMENT, IAW B737-700 SRM 53-00-53-2R-6 REPAIR 6 51-10-02 ITEM 9 AND DWG 146A7500 REV C.

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