Service difficulty report · Support · Boeing 7377H4

Difficulty date
September 8, 2020
Submitted
September 24, 2020
Operation
Air carrier
Aircraft
N497WN
Make and model
Boeing 7377H4
Aircraft serial
32479
Aircraft time
54,478 hours, 32,216 cycles
Part
Support
Part number
146A7500
Condition
Corroded
Location
Bs 867-887
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 867 TO BS 887 AT LEVEL STR 25R AND RBL 21 AT AFT CARGO COMPARTMENT WL=155.5. REPLACE SUPPORT ZEE LOCATED BETWEEN BS 867 TO BS887 AT LEVEL STR 25R AND RBL 21 AT AFT CARGO COMPARTMENT, IAW B737-700 SRM 51-40-02-OG-0 AND DWG 146A7500 REV C.

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