Service difficulty report · Sidewall Support · Boeing 7377H4

Difficulty date
July 12, 2021
Submitted
August 3, 2021
Operation
Air carrier
Aircraft
N962WN
Make and model
Boeing 7377H4
Aircraft serial
36963
Aircraft time
33,006 hours, 20,057 cycles
Part
Sidewall Support
Condition
Corroded
Location
Aft Cargo Floor
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 BS727E +6- +12 LBL 24 WL157 FLOOR TO SIDEWALL SUPPORT / [01] REMOVED CORROSION FROM L/H ACB FLOOR TO SIDEWALL SUPPORT AT BS 727E+6 MEASURED 2'L X 1'W AND 0.020' DEEP. ORIGINAL THIKNESS OF 0.040' FOUND OUT OF LIMITS PER SRM 53-00-53-1A-2; [02] VERIFIED REMOVAL AND EVALUATION; [03] VERIFIED REMOVED CORROSION FROM L/H ACB FLOOR TO SIDEWALL SUPPORT AT BS 727E+6 MEASURED 2'L X 1'W AND 0.020' DEEP. ORIGINAL THIKNESS OF 0.040' FOUND OUT OF LIMITS PER SRM 53-00-53-1A-2; [04] REPAIR TO BE COMPLETED ON CUSTOMER CARD TTG8Q005S5JK; [05] VERIFIED; [06] VERIFIED REPAIR TO BE COMPLETED ON CUSTOMER CARD TTG8Q005S5JK

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