What it covers
For reports pertaining to reduction gears, combining gearboxes, propeller drive shafts, and helicopter rotor shafts, which are used to transfer power from turboprop and turboshaft engines, to the propeller or helicopter rotor. Do not use this code for accessory devices attached to reduction gearboxes. Typical parts are shaft, gear, bearing, case, torque piston, transfer tube, chip detector, etc.
Service difficulty reports · 873
Reports filed under 7210, newest first.
| 1995 | 93 |
|---|---|
| 1996 | 96 |
| 1997 | 107 |
| 1998 | 81 |
| 1999 | 64 |
| 2000 | 48 |
| 2001 | 27 |
| 2002 | 51 |
| 2003 | 19 |
| 2004 | 22 |
| 2005 | 36 |
| 2006 | 26 |
| 2007 | 28 |
| 2008 | 19 |
| 2009 | 22 |
| 2010 | 13 |
| 2011 | 21 |
| 2012 | 18 |
| 2013 | 15 |
| 2014 | 13 |
| 2015 | 11 |
| 2016 | 5 |
| 2017 | 3 |
| 2018 | 6 |
| 2019 | 11 |
| 2020 | 2 |
| 2021 | 2 |
| 2022 | 4 |
| 2023 | 3 |
| 2024 | 4 |
| 2025 | 1 |
| 2026 | 2 |
SDR CALA2026072317955Anti-Ice Valve · stuckNR 2 ENGINE ANTI-ICE COWL VALVE LIGHT IS ON, VALVE STUCK CLOSED. CREW TURNED OFF FOR THE DURATION OF THE FLT. R & R THE ENGINE ANTI ICE VALVE IAW MM 30-21-11/401 42-3021-9-0001, PERFORMED OPS CHECK IAW MM 30-21-11-400-801. OPS CHKD SATISFACTORY. OK TO CONTSDR DALA2026021701091Plug · leakingAIRCRAFT DIVERTED TO ORD DUE TO LT ENGINE LOSS OF OIL QTY WITH PRESSURE DEGRADING. INSTALLED NEW GEARBOX DRAIN PLUG AND NEW HELICOIL INSERT. (LP 7651170).SDR AALA202504029093Gearbox · leakingAIRCRAFT WAS GROUNDED: IMMEDIATELY AFTER ROTATION NOTICED A STRONG BURNT OIL SMELL COMING FROM THE FLIGHT DECK GASPERS. ODOR DISSIPATED AFTER THREE MINUTES. NO ACTION WAS TAKEN. FLIGHT CONTINUED NORMALLY. MAINTENANCE FOUND RIGHT ENGINE TRANSFER GEARBOX LEAKIN
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