Service difficulty report · Seat Track · Boeing 7377H4

Difficulty date
March 24, 2025
Submitted
May 5, 2025
Operation
Air carrier
Aircraft
N290WN
Make and model
Boeing 7377H4
Aircraft serial
36632
Aircraft time
57,406 hours, 34,635 cycles
Part
Seat Track
Condition
Corroded
Location
Zone 200
Stage of operation
IN
How discovered
V
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 ON SEAT TRACK LOCATED BS 767 PLUS 17 INCHES LBL 24.75 WL 208.1 AT PASSENGER CABIN 2025-231984<[01] TOOL USED ON STEP 5. ET EQUIPMENT: P/N: NORTEC 600D; S/N: 60007161486; CAL DUE DATE: 06-SEP-25;[02] EVALUATED REWORKED AREA ON TOP AND BOTTOM SURFACE CROWN AREA OF SEAT TRACK LOCATED BS 767 PLUS 17 INCHES LBL 24.75 WL 208.1 AT PASSENGER CABIN AND FOUND WITHIN ALLOWABLE DAMAGE LIMITS IAW B737-700 SRM 53-00-52-1A-1 ALLOWABLE DAMAGE 1 PARAGRAPH 4.A.(2) FIGURE 103 DETAIL A. SEE INDIVIDUAL SIGN-OFF BELOW;[03] EVALUATED REWORKED AREA ON TOP AND BOTTOM SURFACE CROWN AREA OF SEAT TRACK LOCATED BS 767 PLUS 17 INCHES LBL 24.75 WL 208.1 AT PASSENGER CABIN AND FOUND WITHIN ALLOWABLE DAMAGE LIMITS IAW B737-700 SRM 53-00-52-1A-1 ALLOWABLE DAMAGE 1 PARAGRAPH 4.A.(2) FIGURE 103 DETAIL A. SEE INDIVIDUAL SIGN-OFF BELOW

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