# SDR DXTA2026010606426

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 3, 2026
- Submitted: January 6, 2026
- Operation: Air carrier
- Aircraft: N388QS
- Make and model: Cessna 680SOV
- Aircraft serial: 6800113
- Aircraft time: 16,176 hours, 10,835 cycles
- System (JASC): [5210 · Passenger/Crew Doors](https://openairdocs.org/jasc/5210)
- Part: Spring
- Part number: 6911319202
- Part serial: NSN
- Condition: Broken
- Location: Zone 800
- 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/DXTA2026010606426

## Discrepancy

UPON MAIN CABIN DOOR CLOSURE FROM INSIDE OF AIRCRAFT COUNTER SPRING BROKE. CABIN DOOR IS CLOSED MANUALLY FROM OUTSIDE AND WILL FREE FALL OPEN WHEN UNLATCHED.   GAINED ACCESS TO MED COUNTERBALANCE SPRING. COMPLETED GVI AND NOTED FWD SPRING IS BROKEN. REMOVED REEL ASSY, SHAFT STOP, RETAINER CLIP, ARBOR ASSY. DISASSEMBLED COUNTERBALANCE SPRING AND INSTALLED NJA SUPPLIED NEW SPRING,  REINSTALLED REEL ASSY, SHAFT STOP, RETAINER CLIP, ARBOR ASSY. PERFORMED COUNTERBALANCE SYSTEM RIGGING PROCEDURE, ADJUSTED COUNTERBALANCE SPRING AND CABLE TO CORRECT TENSION. MED OPS CHECKED GOOD. NO FURTHER DISCREPANCIES NOTED. RESTORED ALL GAINED ACCESS TO ORIGINAL CONFIG. IAW AMM 52-10-50.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
