# SDR KCSA2026010801

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 8, 2026
- Submitted: January 12, 2026
- Operation: Air carrier
- Aircraft: [N771CK](https://openairdocs.org/aircraft/N771CK), registered now
- Make and model: Boeing 777-36NER
- Registry model: [Boeing 777-36NER](https://openairdocs.org/model/boeing-777-36ner) (OpenAirDocs)
- Aircraft serial: 32791
- Aircraft time: 68,921 hours, 12,899 cycles
- System (JASC): [5210 · Passenger/Crew Doors](https://openairdocs.org/jasc/5210)
- Part: Snubber
- Part number: 99C55480101
- Part serial: 4870
- Condition: Damaged
- Location: L1 Door
- 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/KCSA2026010801

## Discrepancy

L1 DOOR WILL NOT OPEN,   R1 DOOR OUT OF ADJUST.   FOUND SNUBBER LEAKING ON L1,  R & R L1 DOOR LINEAR SNUBBER IAW AMM 52-12-08, OPS CHKD GOOD, DOOR OPS CHKD GOOD IAW AMM 52-12-00.   FOUND R1 DOOR CRANK ASSY CRACKED IAW DMI 100280480, R & R R1 DOOR CRANK ASSY IAW AMM 52-12-15,  R1 DOOR INOPERATIVE DUE TO MISSING CABLE RETAINER.   INSTALLED RETAINER TO R1 DOOR IAW AMM 52-12-15.  R1 DOOR OUT OF ADJUSTMENT.  CHKD & VERIFIED R1 DOOR RIG ADJUSTMENT FOUND RIG GOOD OPS CHECK GOOD IAW AMM 52-12-00.

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