# SDR ASAA2026012364092

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 23, 2026
- Submitted: February 20, 2026
- Operation: Air carrier
- Aircraft: [N581AS](https://openairdocs.org/aircraft/N581AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35188
- Aircraft time: 59,926 hours, 17,945 cycles
- System (JASC): [5347 · Fuselage, Seat/Cargo Attach Fittings](https://openairdocs.org/jasc/5347)
- Part: Seat Track
- Part number: BAC15202789
- Condition: Corroded
- Location: Zone 200
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2026012364092

## Discrepancy

MAIN CABIN RBL 45.50 STARTING AT STA. 767+4 INCHES THROUGH STA. 827+8 INCHES SEAT TRACK HAS CORROSION.NOTE: CORROSION LEVEL 1 & NOT MAJOR REPAIR --> NOT SDR (REF: GPM SECTION 16.1)  GROUNDED - YES. REMOVED CORROSION ON MAIN CABIN SEAT TRACK AT STA. 767+4" TO STA 827+8", RBL 45.50. ORIGINAL MATL. THICKNESS ON BOTTOM OF TRACK IS .230", REMOVED .025", REMAINING MATL. THICKNESS .205" AND FOUND TO BE WITHIN LIMITS. ORIGINAL MATL. THICKNESS ON TOP SURFACE OF TRACK IS .146", REMOVED .010", REMAINING MATL. THICKNESS .136" AND FOUND TO BE WITHIN LIMITS IAW B737-800 SRM 53-30-52-01-1, SRM 53-00-52-1A-1, SRM 51-10-02-OG-0 AND BOEING PROPRIETARY BAC 1520-2789 REV:B. TOOL#T8493V, DUE 12DEC26 AND TOOL#T8930P, DUE:01DEC26. PERFORMED 10X DVI, NO DEFECTS NOTED IAW B737-800 SRM 51-10-02-OG-0. RESTORED AREA IAW B737-800 SRM 51-20-01-OG-0 AND SOPM 20-41-04.

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