Service difficulty report · Seat Track · Boeing 7377H4

Difficulty date
July 10, 2023
Submitted
August 9, 2023
Operation
Air carrier
Aircraft
N965WN
Make and model
Boeing 7377H4
Aircraft serial
36677
Aircraft time
38,362 hours, 23,630 cycles
Part
Seat Track
Part number
UNKNOWN
Condition
Corroded
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

CABIN SEAT TRACK IS CORRODED AT BS 380+19; 420+14; LBL 45; WL 208<[01] VERIFIED APPLICABILITY FOR 737-700 SRM 53-00-52-1A-1.;[02] REMOVED CORROSION FROM PASSENGER CABIN SEAT TRACK AT LBL 45 WL 208 BS 380+19 L: 3' W: .90' D:.051' FOUND SEAT TRACK TO BE OUT LIMITS PER SRM 53-00-52-1A-1 FIG. 103. USED TOOL ID: ATS1738 DUE: 10/2023.;[03] CONCUR WITH APPLICABILITY OF SRM 53-00-52-1A-1.<BR>VERIFIED DAMAGED REMOVED FROM SEAT TRACK AT LBL 45 WL 208 BS 380+19 AND REMOVED MATERIAL IS OUT OF LIMITS PER SRM 53-00-52-1A-1 FIG. 103.;[04] REMOVED CABIN SEAT TRACK AT BS 380+14 LBL 45 WL 208 IAW SRM 51-40-04-0G-0;[05] RECIEVED NEW SEAT TRACK FABRICATED IAW DWG 143A5310-51. LOCATED AND STARTED DRILLING UP IAW SRM 51-40-05-0G-0; DWG 143A5300 -49 SH 55.;[06] FINISHED LOCATING; DRILLING AND COUNTERSINK NEW SEAT TRACK PER SRM 51-40-05-0G-0; SRM 51-40-08-0G-0 AND DWG 143A5300 SH 55. REQUEST OK TO INSTALL.;[07] VERIFIED CORRECTIVE ACTIONS 5 & 6.;[08] STARTED INSTALL OF SEAT TRACK IAW DWG 143A5300 SH 55.;[09] CONTINUED INSTALLATION OF SEAT TRACK PER DWG 143A5300 SH55 AND DWG 141A5300 SH22.;[10] COMPLETED INSTALL OF SEAT TRACK IAW DWG 143A5300 SH55 AND DWG 141A5300 SH22. TOOL ID: ATS2328 DUE DATE: 04/2024; <BR>TOOL ID: ATS1299 DUE DATE: 12/31/23.;[11] VERIFIED CORRECTIVE ACTION #10.;[12] VERIFIED MEASUREMENTS.

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