What it covers
The external oil system which distributes engine lubricating oil from the storage tanks to and from the engine. Does not include externally mounted units such as oil coolers, oil filters, shutoff valves. Typical parts are line, hose, coupling, fitting, clamp, etc.
Service difficulty reports · 733
Reports filed under 7920, newest first.
| 1995 | 36 |
|---|---|
| 1996 | 32 |
| 1997 | 35 |
| 1998 | 29 |
| 1999 | 37 |
| 2000 | 53 |
| 2001 | 48 |
| 2002 | 61 |
| 2003 | 42 |
| 2004 | 15 |
| 2005 | 18 |
| 2006 | 11 |
| 2007 | 14 |
| 2008 | 20 |
| 2009 | 13 |
| 2010 | 13 |
| 2011 | 18 |
| 2012 | 19 |
| 2013 | 20 |
| 2014 | 17 |
| 2015 | 26 |
| 2016 | 17 |
| 2017 | 15 |
| 2018 | 15 |
| 2019 | 18 |
| 2020 | 11 |
| 2021 | 11 |
| 2022 | 30 |
| 2023 | 27 |
| 2024 | 6 |
| 2025 | 3 |
| 2026 | 3 |
SDR IPXA2026040890099Clamp · brokenBROKEN CLAMP, NR 1 ENG LOWER D SUMP OIL SUPPLY TUBE FWD SUPPORT.SDR AALA202602175759Oil System · faultedAIRCRAFT WAS GROUNDED: ENGINE OIL QUANTITY AND PRESSURE ISSUE. DECESION MADE TO DIVERT TO PHX. FLIGHT DID NOT DECLARE EMERGENCY AND DID NOT LAND OVERWEIGHT. FLIGHT LANDED WITHOUT INCIDENT AND TAXIED TO GATE ON OWN POWER. (OPEN)SDR 3EJA202603240001Oil Cooler · failedRECEIVED RED OIL PRESSURE INDICATION (POINTER AND DIGITS) LEFT ENGINE IN FLIGHT. SHUT DOWN LEFT ENGINE, DECLARED AN EMERGENCY AND DIVERTED TO KCHS. FOLLOWED CHECKLIST PAGES D4 LOW OIL PRESSURE INDICATION, A2 ENGINE FAILURE/SHUTDOWN AND Y1 SINGLE ENGINE APPROAC
See all 733 reportsOther codes in chapter 79 · 10
7900Engine Oil System (Airframe Furnished)7910Engine Oil Storage (Airframe Furnished)7921Engine Oil Cooler7922Engine Oil Temperature Regulator7923Engine Oil Shutoff Valve7930Engine Oil Indicating System7931Engine Oil Pressure7932Engine Oil Quantity7933Engine Oil Temperature7997Engine Oil System Wiring