Service difficulty report · Seat Track · Boeing 7377H4

Difficulty date
June 3, 2022
Submitted
July 11, 2022
Operation
Air carrier
Aircraft
N481WN
Make and model
Boeing 7377H4
Aircraft serial
29853
Aircraft time
60,481 hours, 35,778 cycles
Part
Seat Track
Condition
Corroded
Location
Fuselage
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 SEAT TRACK LOCATED ON BOTTOM SURFACE BTW BS 360 TO BS 380 LBL 24.75 WL 208.1 AT PASSENGER CABIN 2022-268233 / [01] TOOL USED: DIGITAL CALIPER; P/N: 500-197-30; S/N: B20189443; DUE DATE: 03-DEC-22.;[02] TOOL USED: POWER PACK P/N FMK0003223 S/N PE0412/63335 DUE DATE: 26-JAN- 23.MULTIMETER P/N FLUKE 87 S/N 44560136 DUE DATE: 21-SEP-22. THERMOMETER P/N FLUKE 566 S/N 36160082WS DUE DATE: 08-JUL-22;[03] REPLACED SEAT TRACK LOC BTW BS 360+10? TO BS 480 LBL 24.75 AND WEB BTW BS 380 TO BS 400 AND FASTENERS IAW B737-700 SRM 51-40-02; SRM 51-10-02 ITEM 9 AND DWG 141A5300 SHEET 21 REV-. SEE INDIVIDUAL SIGN OFFS BELOW.;[04] REPLACED SEAT TRACK LOC BTW BS 360+10? TO BS 480 LBL 24.75 AND WEB BTW BS 380 TO BS 400 AND FASTENERS IAW B737-700 SRM 51-40-02; SRM 51-10-02 ITEM 9 AND DWG 141A5300 SHEET 21 REV-. SEE INDIVIDUAL SIGN OFFS BELOW.<BR><BR>RII ACCOMPLISHED

More about the Boeing 737-7H4