Service difficulty report · Support · Boeing 7377H4

Difficulty date
August 26, 2021
Submitted
September 13, 2021
Operation
Air carrier
Aircraft
N966WN
Make and model
Boeing 7377H4
Aircraft serial
36966
Aircraft time
32,714 hours, 19,999 cycles
Part
Support
Part number
146A750227
Condition
Corroded
Location
Bs 767
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

ACB FLOOR TO SIDEWALL SUPPORT CORROSION. BS767+14.5; LBL22; WL151 ; / [01] REMOVED CORROSION FROM FLOOR TO SIDEWALL SUPPORT BS 767 + 14.5 LBL 22 ACB IN AREA OF L=.5' X W=.5' D=.006' REMAINING THICKNESS =.034' FROM ORIGINAL THICKNESS .040' FOUND TO BE OUT OF LIMITS IAW SRM 5110-02-0G-0; SRM 53-00-53-1A-2; SRM 53-60-53-0I-2<BR><BR>TOOL USED:<BR>ATS1671<BR>CAL DUE 01/2022<BR><BR>PART TO BE REPAIRED ON CARD #:<BR>TTG8Q006A199; [02] VERIFIED REMOVED CORROSION FROM FLOOR TO SIDEWALL SUPPORT BS 767 + 14.5 LBL 22 ACB IN AREA OF L=.5' X W=.5' D=.006' REMAINING THICKNESS =.034' FROM ORIGINAL THICKNESS .040' FOUND TO BE OUT OF LIMITS IAW SRM 51-10-02-0G-0; SRM 53-00-53-1A-2; SRM 53-60-53-0I-2 <BR><BR>TOOL USED: <BR>ATS1671 <BR>CAL DUE 01/2022 <BR><BR>PART TO BE REPAIRED ON CARD #: <BR>TTG8Q006A199

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