Service difficulty report · Seat Track · Boeing 7377H4

Difficulty date
July 7, 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
Part
Seat Track
Condition
Corroded
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

FOUND CORROSION AT CABIN SEAT TRACK STA. 727B RBL 24.75; I/B AFT. FLANGE. ; / REMOVED FASTNER FOR MATERIAL REMOVAL ORIGINAL MATERIAL OF SEAT TRACK FLANGE AT STA 727B RBL 24.75 I/B AFT IS 0.100' MATERIAL REMAINING IS 0.050' FOUND TO BE OUT OF LIMITS REF:SRM 51-40-02-0G-0; SRM 53-60-52-1A-0 FIG 103 DETAIL E; CUT SEAT TRACK AT STA. 727C + 1'; REMOVED DAMAGED PART OF SEAT TRACK FROM STA. 727B TO STA. 727D. REF. B737-7 SRM 53-00-52-2R-5 REPAIR 5. FIG202. SHEET 1.;] LOCATED AND DRILLED NEW SEAT TRACK SECTION AND REPAIR SPLICE AS PER B 737SRM53-00-52-2R-5 REPAIR 5; VERIFIED STEPS 1 & 2;] 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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