# SDR VQMA20260917001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 21, 2026
- Submitted: September 17, 2026
- Operation: Air carrier
- Aircraft: [N616RR](https://openairdocs.org/aircraft/N616RR), registered now
- Make and model: Gulstm GIV
- Aircraft serial: 1368
- Aircraft time: 12,355 hours, 6,595 cycles
- System (JASC): [3210 · Main Landing Gear](https://openairdocs.org/jasc/3210)
- Part: Landing Gear
- Condition: Corroded
- Location: Zone 700
- 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/VQMA20260917001

## Discrepancy

DURING THE 48-MONTH CORROSION INSPECTION, THE MAIN LANDING GEAR ASSEMBLIES WERE FOUND TO BE SEVERELY CORRODED. THE LEFT MAIN LANDING GEAR, P/N 1159L40001-17, S/N T8958, TSN: 12535.5, CSN: 6593, TSO: 2633.3 AND CSO: 1607 WAS REMOVED AND REPLACED WITH OVERHAULED P/N 1159L40001-101, S/N T0205. THE RIGHT MAIN LANDING GEAR, P/N 1159L40001-18, S/N T9040, TSN: 12535.5, CSN: 6593, TSO: 2633.3 AND CSO: 1607 WAS REMOVED AND REPLACED WITH OVERHAULED P/N 1159L40001-201, S/N T0204, IN ACCORDANCE WITH GULFSTREAM G-IV AMM 32-01-00, REVISION 78. AN OPERATIONAL CHECK WAS PERFORMED AND FOUND SATISFACTORY.

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