Service difficulty report · Support · Boeing 7377H4

Difficulty date
July 1, 2021
Submitted
July 26, 2021
Operation
Air carrier
Aircraft
N913WN
Make and model
Boeing 7377H4
Aircraft serial
29840
Aircraft time
43,304 hours, 26,170 cycles
Part
Support
Condition
Corroded
Location
Bs 807
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 ACB L/H FLOOR-TO-SIDEWALL SUPPORT; BS 807+15; LBL 21; WL 157 (MARKED) ; / [01] REMOVED CORROSION ON ACB L/H FLOOR-TO-SIDEWALL SUPPORT; BS 807+15; LBL 21; WL 157 WITH FOLLOWING MEASURES L= 1' W= 0.700' D= 0.004' MATERIAL REMAINING IS 0.036' FOUND TO BE WITHIN LIMITIS PER SRM 53-00-53-1A-2 TOOL USE ID: ATS1671 S/N 65093024 DATE 04/2021 DUE 01/2022; [02] REMOVED CORROSION ON ACB L/H FLOOR-TO-SIDEWALL SUPPORT; BS 807+15; LBL 21; WL 157 WITH FOLLOWING MEASURES L= 1' W= 0.700' D= 0.004' MATERIAL REMAINING IS 0.036' ORIGINAL THICKNESS 0.040' FOUND TO BE WITHIN LIMITIS PER SRM 53-00-53-1A-2 TOOL USE ID: ATS1671 S/N 65093024 DATE 04/2021 DUE 01/2022; [03] VERIFIED IN LIMITS PER SRM 53-00-53-1A-2; [04] FLOOR TO SIDEWALL TO BE REPLACED ON FAULT TTG8Q005NLFV; [05] VERIFIED PART TO BE REPLACED ON FAULT# TTG8Q005NLFV

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