# SDR 96ZZZX2394

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 19, 1996
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: [N1189J](https://openairdocs.org/aircraft/N1189J), registered now
- Make and model: Gulstm 112A
- Aircraft serial: 189
- Engine: Lyc IO360C1D6
- System (JASC): [8530 · Reciprocating Engine Cylinder Section](https://openairdocs.org/jasc/8530)
- Part: Stud
- Part number: 31C12
- Condition: Detached
- Location: Nr 4 Cylinder
- Stage of operation: AP
- Nature of condition: J
- Precautionary procedure: L, O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/96ZZZX2394

## Discrepancy

PILOT REPORTED IN-FLIGHT:  NOSE GEAR WILL NOT EXTEND NORMALLY, FLY-BY, TOWER VERIFIED NOSE GEAR NOT DOWN.  EMERGENCY GEAR EXTENDED, ALL GEAR EXTENDED, SAFE LANDING.  FINDINGS:  EXHAUST STUD FROM NR 4 CYLINDER FELL OUT AND LODGED IN HINGE SLOT FOR NOSE GEAR DOORS PREVENTING GEAR FROM EXTENDING NORMALLY.  COWLING AFT MOUNT DAMAGED, BUT REPAIRABLE.  LOGS SHOWED NR 4 EXHAUST GASKET PREVIOUSLY REPLACED.  NUT STILL ATTACHED TO STUD AND HELICOIL ON THREADS.

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