# SDR SWAA2023101603167

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 22, 2023
- Submitted: October 16, 2023
- Operation: Air carrier
- Aircraft: N421LV
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 32452
- Aircraft time: 71,597 hours, 42,416 cycles
- System (JASC): [5510 · Horizontal Stabilizer Structure](https://openairdocs.org/jasc/5510)
- Part: Panel
- Part number: UNKNOWN
- Condition: Cracked
- 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/SWAA2023101603167

## Discrepancy

PANEL 343AT BLADE ASSY FWD TRACK ON FUSELAGE CRACKED<[01] UPDATED MEASUREMENTS AND PART REQUIREMENT. REMOVED CRACKED UPPER FORWARD RIGHT HAND SIDE TRACK ASSEMBLY & INSTALLED NEW TRACK ASSEMBLY PART #181A8060-16 IAW AIPC 53-31-31-05 ITEM 110 & AMM 20-50-11-910-801.<BR>SCREW GUN ID:ATS2248; CAL DUE 11/20/23.;[02] VERIFIED CORRECTIVE ACTION ITEM 1 AND MEASUREMENTS TABLE; CARD COMPLETE.

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