Service difficulty report · Seat Track · Boeing 7377H4

Difficulty date
November 20, 2021
Submitted
November 24, 2021
Operation
Air carrier
Aircraft
N784SW
Make and model
Boeing 7377H4
Aircraft serial
29810
Aircraft time
68,617 hours, 40,550 cycles
Part
Seat Track
Condition
Corroded
Location
Fuselage
Stage of operation
UK
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 L/H SEAT TRACK AT ABOUT STA 500D +14' WITH CORROSION. FAULT FOUND AT OB TRACK. REMOVED SURFACE CORROSION ON L/H I/B TRACK STA 500D+14 PER B737-700 SRM 51-10-02-0G-0 VERIFIED 1 ORIGINAL MMATERIAL 0.230' MATERIAL LOSS 0.011' AND MATERIAL REMAINING 0.219' FOUND TO BE IN LIMITS PER SRM 53-00-52-1A-1 STEP 4 NOTE(C) FIGURE 103 DETAIL E. TOOL USED DEPTH GAUGE ID#WN0006 CAL DUE:5/17/2022 VERIFIED STEP # 3. OK TO TREAT AND PRIME. TREATED AND PRIMED AREA PER B737-700 SRM 51-20-01-0G-0 AND SOPM 20-41-04 VERIFIED 6.

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