Service difficulty report · Seat Track · Boeing 7377H4

Difficulty date
May 10, 2021
Submitted
June 17, 2021
Operation
Air carrier
Aircraft
N732SW
Make and model
Boeing 7377H4
Aircraft serial
27864
Aircraft time
74,727 hours, 43,976 cycles
Part
Seat Track
Condition
Corroded
Location
Bs 500d Rbl45
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 TOP OF SEAT TRACK CROWN BS 500D+13.5 RBL 45 WL 208. ; / APPLIED ALUMIZED EPOXY PRIMER TO BLENDED AREAS ON TOP OF SEAT TRACK CROWN STA 500D+13.5; RBL 45; WL 208 PER SOPM 20-41-04.;APPLIED CHEMICAL CONVERSION COATING ON TOP OF SEAT TRACK CROWN STA 500D+13.5; RBL 45; WL 208 PER SRM 51-20-01-0G-0; SRM 53-00-52-1A-1.;EVALUATED CORROSION AND FOUND TO BE IN LIMITS PER SRM 53-00-52-1A-1.;REMOVED CORROSION ON TOP OF SEAT TRACK CROWN STA 500D+13.5; RBL 45; WL 208. MAX MATERIAL REMOVED WAS .009' .5' BY 2' ON TOP. IN LIMITS PER SRM 53-00-52-1A-1; SRM 51-10-02-0G-0. MEASURED DEPTH WITH DIAL DEPTH GAUGE ID# ATS1225; S/N UNKNOWN; EXPIRES 04/2022.;VERIFIED: APPLIED CHEMICAL CONVERSION COATING ON TOP OF SEAT TRACK CROWN STA 500D+13.5; RBL 45; WL 208 PER SRM 51-20-01-0G-0; SRM 53-00-52-1A-1.;VERIFIED APPLICATION OF ALUMINIZED PRIMER PER SOPM 20-41-04;VERIFIED DAMAGE REMOVAL AND DIMENSIONS;ADDED PART NUMBER TO MEASUREMENTS;COMPLETED;EVALUATED PER SRM 53-00-52-1A-1

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