Service difficulty report · Support · Boeing 7377H4

Difficulty date
July 12, 2021
Submitted
August 2, 2021
Operation
Air carrier
Aircraft
N962WN
Make and model
Boeing 7377H4
Aircraft serial
36963
Aircraft time
33,006 hours, 20,057 cycles
Part
Support
Condition
Corroded
Location
Aft Cargo
Stage of operation
IN
How discovered
V
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 BS727C+10 LBL 24 WL157 FLOOR TO SIDEWALL SUPPORT / [01] REMOVED ACB FLOOR TO SIDEWALL SUPPORT L/H FROM BS 727-787 LBL 24 WL 157 PER SRM 51-40-02.; [02] VERIFIED REMOVAL; [03] REMOVED CORROSION FROM ACB FLOOR TO SIDEWALL SUPPORT BS727C+10 LBL24 MEASURED 0.75'L X 0.5'W AND 0.001'DEEP FOUND TO BE IN LIMITS PER SRM 53-00-53-1A-2. <BR><BR>PART OUT OF LIMITS DUE TO ADJACENT CORROSION; REPAIR TO BE COMPLETED ON CUSTOMER CARD TTG8Q005S6MX; [04] VERIFIED CORROSION REMOVAL; [05] VERIFIED REMOVED CORROSION FROM ACB FLOOR TO SIDEWALL SUPPORT BS727C+10 LBL24 MEASURED 0.75'L X 0.5'W AND 0.001'DEEP FOUND TO BE IN LIMITS PER SRM 53-00-53-1A-2. <BR><BR>PART OUT OF LIMITS DUE TO ADJACENT CORROSION; REPAIR TO BE COMPLETED ON CUSTOMER CARD TTG8Q005S6MX; [06] REPAIR TO BE DONE IN THIS CARD. TTG8Q005S5JK; [07] VERIFIED; [08] FABRICATED REPLACEMENT FLOOR TO SIDEWALL SUPPORT L/H BS727-849 LBL24 OUT OF BAC1496-377#7075T62 LOT#1459405-1 PER SRM 51-40-05; SRM 51-40-08; SRM 53-00-53-INSTALLED FLOOR TO SIDEWALL SUPPORT L/H BS727-867 LBL24 WL 157 IAW BOEING DWG #146A7500; DWG #146A7502 AND SRM 51-40-02

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