Service difficulty report · Seat Track · Boeing 7377H4

Difficulty date
January 3, 2023
Submitted
January 31, 2023
Operation
Air carrier
Aircraft
N213WN
Make and model
Boeing 7377H4
Aircraft serial
34217
Aircraft time
58,853 hours, 35,162 cycles
Part
Seat Track
Part number
NOTREPORTED
Condition
Worn
Location
Zn 200 Fus Top
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

MAIN CABIN L/H I/B SEAT TRACK EDGES WEAR MARKS @ LBL 24.75 STA 520 MKD DOT<[01] REMOVED WEAR MARKS AT LH I/B SEAT TRACK STA 520 LBL 24.75 AS PER REFERENCE SRM 51-10-02-0G-0;[02] VERIFIED STEP 1;[03] EVALUATED REWORKED AREA. MAXIMUM CLEANUP DEPTH ON THE TOP OF SURFACE OF THE TRACK IS 0.02'. DEPTH RECORDED - 0.045'. FOUND OUT OF LIMITS AS PER REFERENCE SRM 53-00-52-1A-1<BR>TOOL: B/C 170642<BR>CAL.DUE: 12-OCT-2023;[04] VERIFIED STEP 3.;[05] REMOVED CABIN FLOOR PANELS 231AAF AND 231UF AS PER AMM 53-21-00-000-801;[06] ACCOMPLISHED CUT AND REMOVED THE DAMAGED PART OF THE SEAT TRACK AS PER SRM 53-00-52-2R-4;[07] ACCOMPLISHED CUT OFF THE WEB AND LOWER HORIZONTAL FLANGE OF THE INITIAL SEAT TRACK SECTION BETWEEN THE FLOOR BEAMS WHERE THE SPLICE WILL BE MADE AS PER SRM 53-00-52-2R-4;[08] VERIFIED STEP 5.;[09] VERIFIED STEPS 6 AND 7.;[10] STARTED LOCATING AND DRILLING REPAIR PART P/N 53210001-005 AND REPAIR TRACK P/N 53210001-003 AS PER SRM 53-00-52-2R-4 AND DWG 53210001;[11] LOCATED; DRILLED AND COUNTERSINK REPAIR PART P/N 53210001-005 AND REPAIR TRACK P/N 53210001-003 AS PER SRM 53-00-52-2R-4 AND DWG 53210001; FOUND OUT OF LIMITS. ACCOMPLISHED CUT AND REMOVED THE DAMAGED PART OF THE SEAT TRACK. LOCATED; DRILLED AND COUNTERSINK REPAIR PART P/N 53210001-005 AND REPAIR TRACK P/N 53210001-003. INSTALLED SEAT TRACK SECTION FROM STA 500C+10 TO STA 520; LBL 24.75 PER REF SRM 53-00-52-2R-4 AND DWG 53210001

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