Service difficulty report · Seat Track · Boeing 737*

Difficulty date
January 31, 2022
Submitted
March 21, 2022
Operation
Air carrier
Aircraft
N216WR
Make and model
Boeing 737*
Aircraft serial
32488
Aircraft time
52,760 hours, 31,347 cycles
Part
Seat Track
Condition
Corroded
Location
Fuselage
Stage of operation
UK
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

SEAT TRACK HAS CORROSION AND MECHANICAL DAMAGE IN WELL AND CROWN; RBL45; BS518-520; BS500C+7 TO 500D; BS500B-1 TO 500B+10; BS500+6 TO 500+18; BS483-485 / [01] VERIFIED APPLICABILITY FOR SRM 53-00-52-1A-1<BR>REMOVED CORROSION AND MECHANICAL DAMAGE FROM SEAT TRACK RBL45; BS480 - BS520; FOUND TO BE OUT OF LIMITS IAW SRM 53-00-52-1A-1.<BR>ID TOOL: E9655; S/N: UNKNOWN; D/D: 03/2022. <BR>ID TOOL: ATS1225; S/N: UNKNOWN; D/D:07/2022<BR>MEASUREMENTS ON CROWN:<BR>BS480+6; L=1.0' X W=.400' X D=.005'<BR>BS500=7; L=1.0' X W=.400' X D=.018'<BR>BS500B+9; L=1.0' X W=.400' X D=.011'<BR>BS500D; L=1.5' X W=.400' X D=.008'<BR>MEASUREMENTS ON WELL<BR>BS476 - BS485; L=9 X W=.700' X D=.020'<BR>BS500+6 - BS500+18; L=12 X W=.700' X D=.017'<BR>BS500C+7 - BS 500D; L=13 X W=.700' X D=.018'<BR>BS518 - BS520; L=2.0' X W=.700' X D=.042';[18] REMOVED AND REPLACED SEAT TRACK AT BS 480 - BS 520 RBL 45 THAT HAD CORROSION AND MECHANICAL DAMAGE IN WELL AND CROWN; RBL45; BS 518-520; BS 500C+7-500D; BS 500B-1 -500B+10; BS500+6-500+18; AND BS 483-485 THAT WAS FOUND TO BE OUT OF LIMIT IAW SRM 53-00-52-1A-1. BS 518 - BS520; L=2.0' X W=.700' X D=.042' IN THE WELL. STEP 3 REMOVAL OF EWIS PROTECTION TO BE ACCOMPLISHED ON TTG8Q00AN5BG.;[19] UPDATED #15;[20] CERTIFY