SDR SWAA2021073092324

Service difficulty report · Seat Track · Boeing 7377H4

Difficulty date: July 8, 2021
Submitted: July 30, 2021
Operation: Air carrier
Aircraft: N751SW
Make and model: Boeing 7377H4
Aircraft serial: 29803
Aircraft time: 74,739 hours, 44,231 cycles
System (JASC): 5347 · Fuselage, Seat/Cargo Attach Fittings
Part: Seat Track
Condition: Cracked
Location: Bs 727b
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

CRACK INDICATION NOTED ON SEAT TRACK FRAME BS 727B RBL24.75 HOLE 'A' AT 3 O'CLOCK POSITION ; CRACK LENGTH 0.030' / VERIFIED REMOVAL OF CORROSION AT SEAT TRACK STA. 727B RBL 24.75, I/B & O/B FLANGE. FOUND OUT OF LIMITS. PERFORMED REPAIR AT SEAT TRACK FROM STA. 727B TO STA. 727D,RBL 24.75, REF. : B737-7 SRM 51-10-02-0G-0,53-60-52-1A-0, & 53-00-52-2R-5 REPAIR 5, FIG. 202

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