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 680-683 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 AND IN WELL OF SEAT TRACK CROWN BS 680-683 RBL 45 WL 208. ; / INSTALLED NEW SEAT TRACK BS 540-727B; RBL 45; WL 208 PER SRM 51-40-02-0G-0 AND BOEING DWG# 144A5300.;REAMED HOLES IN NEW SEAT TRACK STA 540-727B; RBL 45; WL 208 PER SRM 54-40-05-0G-0; SRM 51-40-02-0G-0; DWG# 144A5300; REV D. OK TO INSTALL.;REMOVED CORROSION ON TOP AND IN WELL OF SEAT TRACK CROWN STA 680-683; RBL 45; WL 208. MAX MATERIAL REMOVED WAS .025' .5' BY 2' ON TOP; .012' 1' BY 1' IN WELL. OUT OF LIMITS PER SRM 53-00-52-1A-1; SRM 51-10-02-0G-0. MEASURED DEPTH WITH DIAL DEPTH GAUGE ID# ATS2473; S/N UNKNOWN; EXPIRES 12/2021;REMOVED DAMAGED SEAT TRACK STA 540 TO 727B RBL 45 WL 208 PER SRM 51-40-02-0G-0;VERIFIED DAMAGED SEAT TRACK WAS REMOVED STA 540-727B; RBL 45; WL 208 PER SRM 51-40-02-0G-0.;VERIFIED DAMAGE REMOVAL AND OUT OF LIMITS;CERTIFIED CORRECTION;UPDATED DEPTH REMOVED.;UPDATED TO LEVEL 2 CORROSION. PART OUT OF LIMITS.;VERIFIED HOLES REAMED; AND OK TO INSTALL;VERIFIED INSTALLATION OF SEAT TRACK IAW SRM 51-40-02-0G-0; DWG# 144A5300

More about the Boeing 737-7H4