# SDR SWAA2026011958743

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 6, 2026
- Submitted: January 19, 2026
- Operation: Air carrier
- Aircraft: [N8909L](https://openairdocs.org/aircraft/N8909L), registered now
- Make and model: Boeing 737-8
- Registry model: [Boeing 737-8](https://openairdocs.org/model/boeing-737-8) (OpenAirDocs)
- Aircraft serial: 42689
- Aircraft time: 7,002 hours, 3,733 cycles
- System (JASC): [5510 · Horizontal Stabilizer Structure](https://openairdocs.org/jasc/5510)
- Part: Stiffener
- Part number: 182A56054
- Condition: Buckled
- Location: Zone 300
- 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/SWAA2026011958743

## Discrepancy

FWD VERTICAL STIFFENER BUCKLED ON STAB RIB AT STA 295.1; RIB MPN 182A5605-4.   C/W NDT INSPECTION OF RIB PRIOR TO REWORK PER NDT PART 6 51.00.00 PROCEDURE 23. NO DEFECTS NOTED AT TIME OF INSPECTION.  C/W NDT INSPECTION OF RIB AFTER REWORK PER NDT PART 6 51.00.00, PROCEDURE 23.  NO DEFECTS NOTED.   PERFORMED A DYE PENETRANT INSPECTION IAW SOPM 20-20-02 OF RADIUS OF THE PN 182A5605-3  STIFFENERS AND CHORDS; COMMON TO REFORMED AREA, AND 2 INCHES UPPER AND DOWN OF REFORMED AREA, TO ENSURE NO CRACKS OR OTHER DAMAGES EXIST. NO DEFECTS NOTED.   REPAIR ACCOMPLISHED IAW EA 26-155-00044-WIP1.  REPAIR ACCOMPLISHED IAW EA 26-155-00044-WIP1 & WIP 2 (COMPONENT - SWA - REPAIR - HORIZONTAL STABILIZER (RH)  INSPAR RIBS DAMAGED) REF. TTG8Q019R798.

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