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
146A7502
Condition
Corroded
Location
Bs 727-767
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 727 TO BS 767 AT LEVEL STR 25R AND RBL 21 AT AFT CARGO COMPARTMENT WL=155.5. REPLACED SUPPORT ZEE LOCATED BETWEEN BS 727 TO BS 767 AT LEVEL STR 25R AND RBL 21 AT AFT CARGO COMPARTMENT WL 155.5, IAW B737-700 SRM 51-10-02 AND SRM 51-40-02 AND DWG 146A7502 SHEET 26 REV.

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