Service difficulty report · Support · Boeing 7377H4

Difficulty date
July 3, 2020
Submitted
July 21, 2020
Operation
Air carrier
Aircraft
N487WN
Make and model
Boeing 7377H4
Aircraft serial
33854
Aircraft time
54,769 hours, 32,381 cycles
Part
Support
Part number
146A7500
Condition
Corroded
Location
Bs 727-847
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 LBL 21.00 LOCATED BETWEEN STA 727 TO STA 847 AND WL 155.5 AFT CARGO COMPARTMENT / PERFORMED REPAIR ON SUPPORT ZEE BTW B5 727D TO B5 727 LBL 21.00 WL 155.5 AFT CARGO COMPARTMENT IAW B737-700 SRM 53-00-53-2R-6 REPAIR 6 AND SRM 53-00-53-2R-5 REPAIR 5 DRAWING 146A7500 REV B

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