# SDR SWAA2023112019942

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 3, 2023
- Submitted: November 20, 2023
- Operation: Air carrier
- Aircraft: [N8673F](https://openairdocs.org/aircraft/N8673F), registered now
- Make and model: Boeing 737-8H4
- Registry model: [Boeing 737-8H4](https://openairdocs.org/model/boeing-737-8h4) (OpenAirDocs)
- Aircraft serial: 36937
- Aircraft time: 26,478 hours, 12,864 cycles
- System (JASC): [5510 · Horizontal Stabilizer Structure](https://openairdocs.org/jasc/5510)
- Part: Nut Plate
- Part number: UNKNOWN
- Condition: Wrong Part
- Location: Zn 300 Stabilize
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2023112019942

## Discrepancy

LEFT HORIZONTAL STABILIZER LOWER TRAILING EDGE BEAM HAS INCORRECT NUT PLATE INSTALLED AT ELEVATOR STA 181.64 OUTBOARD OF NO.5 ELEVATOR HINGE. ADDITIONAL HOLE DRILLED INTO STRUCTURE.<[01] REPAIRED PER EA 23-155-03277;[02] RII; COMPLIED WITH INSPECTION; REPAIRED PER EA 23-155-03277.;[03] CHANGED FAULT ASSOCIATED TO FAILURE TYPE STEP #3 IN MEASUREMENTS

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