Service difficulty report · Seat Track · Boeing 7377Q8

Difficulty date
May 24, 2024
Submitted
July 9, 2024
Operation
Air carrier
Aircraft
N7875A
Make and model
Boeing 7377Q8
Aircraft serial
29354
Aircraft time
56,753 hours, 31,440 cycles
Part
Seat Track
Condition
Chafed
Location
Zone 200
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

MAIN CABIN SEAT TRACK CROWN UPPER AREA HAS A CHAFE MARK AT STA 520 LBL 45.50 MKD (107-017)<[01] EVALUATED DAMAGE REMOVAL AT SEAT TRACK CROWN UPPER SURFACE; MATERIAL REMOVED 0.026' MAXIMUM ALLOWABLE REMOVAL 0.020'. FOUND OUT OF LIMITS REF SRM 53-00-52-1A-1<BR>DEPTH GAUGE USED B/C: 173805 DUE DATE: 10/24/2024<BR>ACCOMPLISHED CUTOUT OF DAMAGED SEAT TRACK SECTION FROM 500C+9' TO 520 AND LOWER HORIZONTAL FLANGES OF THE INITIAL SEAT TRACK BETWEEN STA 500C AND 500D LBL 45.50 AS-PER SRM 53-00-52-2R-4 FIG 202 DETAIL D. FIG 202 VIEW B-B.<BR>INSTALLED REPAIR PARTS ;SEAT TRACK SECTION AND CHANNEL BETWEEN STA 500C TO 520 AS PER B737-700 SRM 53-00-52-2R-4 REPAIR 4 AND SRM 51-40-02-0G-0.<BR>BMS 5-95 80HR SEALANT MIX TIME 6/13/2024 9:00PM SEALANT SQUEEZE OUT TIME: 5:00AM 6/17/2024;[02] CORRECTION TO STEP 1 SHOULD READ: ACCOMPLISHED PERMANENT REPAIR CATEGORY 'A' AT SECTION 43 SEAT TRACK LBL 45.50 BETWEEN STA 500C TO 520 AS PER B737-700 SRM 53-00-52-2R-4 REPAIR 4. NO FURTHER ACTION REQUIRED.;[03] VERIFIED STEP 2.

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