Service difficulty report · Support · Boeing 7377H4

Difficulty date
July 16, 2020
Submitted
August 17, 2020
Operation
Air carrier
Aircraft
N728SW
Make and model
Boeing 7377H4
Aircraft serial
27860
Aircraft time
73,319 hours, 43,208 cycles
Part
Support
Part number
143A7501
Condition
Corroded
Location
Bs 500a-500d
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 ON FLOOR TO SIDEWALL SUPPORT BS500A - BS500D RBL22 WL157. REMOVED AND INSTALLED NEW FLOOR TO SIDEWALL SUPPORT BS500A BS400D RBL22 IAW SRM 51-40-02; SRM 51-40-05 SRM 51-20-01; DWG 143A7501 AND DWG 143A7500; SRM 53-00-53-1A-2.

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