Service difficulty report · Seat Track · Boeing 7377BD

Difficulty date
March 16, 2023
Submitted
March 30, 2023
Operation
Air carrier
Aircraft
N556WN
Make and model
Boeing 7377BD
Aircraft serial
33936
Aircraft time
37,398 hours, 21,958 cycles
Part
Seat Track
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

COCKPIT SEAT TRACKS CORRODED ON BOTTOM SURFACE; CAPTAIN'S FWD INBOARD AND AFT OUTBOARD; F/O'S FWD INBOARD AND OUTBOARD (4 EA)<[01] CORROSION ON COCKPIT SEAT TRACKS BOTTOM SURFACE; CAPTAIN'S FWD INBOARD AND AFT OUTBOARD; F/O'S FWD INBOARD AND OUTBOARD FOUND TO BE OUT OF LIMITS DUE TO NO LIMITS IN SRM; PARTS REPAIRABLE BY REPLACEMENT IAW SRM 51-10-02-0G-0 STEP 9.C;[02] RECEIVED NEW COCKPIT SEAT TRACKS; CAPTAIN'S FWD INBOARD AND AFT OUTBOARD; F/O'S FWD INBOARD AND OUTBOARD; OK TO INSTALL.;[03] OK TO INSTALL;[04] INSTALLED NEW COCKPIT SEAT TRACKS; CAPTAIN'S FWD INBOARD AND AFT OUTBOARD; F/O'S FWD INBOARD AND OUTBOARD IAW AMM 25-11-11-400-801<BR><BR>SETTING FIXTURE ASSEMBLY I.D: 0T900-0247#2;[05] VERIFIED ALL STEPS TO INSTALL TRACKS ARE COMPLETE.;[06] VERIFIED CORRECTIVE ACTION 1;2;3;4;5 AND MEASUREMENT TABLE

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