What it covers
The unit which is mounted on the airframe oil cooler or the engine for controlling engine lubricating oil temperature. Typical parts are thermostat, thermal valve, regulator, etc.
Service difficulty reports · 268
Reports filed under 7922, newest first.
| 1995 | 104 |
|---|---|
| 1996 | 26 |
| 1997 | 23 |
| 1998 | 20 |
| 1999 | 15 |
| 2000 | 9 |
| 2001 | 8 |
| 2002 | 10 |
| 2003 | 9 |
| 2004 | 2 |
| 2005 | 3 |
| 2006 | 1 |
| 2007 | 1 |
| 2008 | 4 |
| 2009 | 4 |
| 2010 | 1 |
| 2011 | 2 |
| 2012 | 1 |
| 2014 | 3 |
| 2015 | 2 |
| 2016 | 2 |
| 2017 | 3 |
| 2018 | 3 |
| 2019 | 3 |
| 2020 | 3 |
| 2021 | 1 |
| 2023 | 2 |
| 2024 | 1 |
| 2025 | 1 |
| 2026 | 1 |
SDR DALA2026011400341Oil Cooler · leakingATB/FUMES - RETURNED TO MSP DUE TO FUMES IN THE FLIGHT DECK AND CABIN. PERFORMED HIGH POWER ENGINE RUNS WITH NO ODORS FOUND. P-TRACK DATA INDICATED APU AS LIKELY SOURCE OF ODOR. APU INSPECTION IN WORK. FOUND #2 ENGINE AIR/OIL COOLER CRACKED. SAME REPLACED. (SDR HALA20250516137Monitor · faultedETOPS - ENG 2 MINOR FAULT. REMOVED AND REPLACED #2 EMCD DUE TO FAULT W/REF TO AMM 79-22-26. BITE TEST GOOD. OK FOR SVC. NO DEBRIS FOUND ON REMOVED EMCDSDR QMLA2024111820144Bypass Valve · unserviceableENGINE #1 OIL TEMP CLIMBED PAST LIMIT INFLIGHT, BROUGHT BACK TO IDLE AND RETURNED TO BASE.
See all 268 reportsOther codes in chapter 79 · 10
7900Engine Oil System (Airframe Furnished)7910Engine Oil Storage (Airframe Furnished)7920Engine Oil Distribution (Airframe Furnished)7921Engine Oil Cooler7923Engine Oil Shutoff Valve7930Engine Oil Indicating System7931Engine Oil Pressure7932Engine Oil Quantity7933Engine Oil Temperature7997Engine Oil System Wiring