What it covers
The unit mounted in the engine induction air intake to sense and transmit temperature to the cockpit indicator. Also for the sensors and instruments which measure and indicate the temperature of ambient air outside the aircraft. Includes associated circuitry and related parts. Typical parts are sensor, indicator, case, etc.
Service difficulty reports · 254
Reports filed under 3412, newest first.
| 1995 | 7 |
|---|---|
| 1996 | 5 |
| 1997 | 5 |
| 1998 | 8 |
| 1999 | 9 |
| 2000 | 5 |
| 2001 | 9 |
| 2002 | 5 |
| 2003 | 9 |
| 2004 | 4 |
| 2005 | 5 |
| 2006 | 3 |
| 2007 | 4 |
| 2008 | 6 |
| 2009 | 27 |
| 2010 | 13 |
| 2011 | 16 |
| 2012 | 8 |
| 2013 | 10 |
| 2014 | 8 |
| 2015 | 9 |
| 2016 | 3 |
| 2017 | 5 |
| 2018 | 5 |
| 2019 | 15 |
| 2020 | 7 |
| 2021 | 11 |
| 2022 | 7 |
| 2023 | 3 |
| 2024 | 5 |
| 2025 | 12 |
| 2026 | 6 |
SDR CALA2026091519424Tat Probe · faultedLOSS OF ALL TAT DATA CLIMBING THROUGH 330 LOSS OF AP/AT LNAV/VNA V TCAS/WINDSHEAR TROUBLESHOT IAW SSM 34-12-01-103. FOUND TAT PROBE TS161L AT FAULT. R & R TAT PROBE IAW AMM 34-12-02-401. PERFORMED TAT PROBE TEST IAW AMM 34-12-02-404-008. PROBE TESTED GOOD. OTHSDR CALA2026082418859Adiru · faultedREPEAT GRIPE OF IR-1 AFTER TAKEOFF. DEBRIEFED PILOT, AFTER TAKEOFF, IR-1 FAULTED. CAPT FOLLOWED QRH AND SWITCHED TO CAPT 3 FOR THE IR BACKUP BUT NO HELP. CAPTAIN`S HAD RED X EVEN AFTER SWITCHING TO CAPT 3. REPLACED NR 1 ADIRU IAW AMM 34-12-34. OPS CHKD GOOD.SDR SWIA2026051276027Tat Probe · deformedSKIN AROUND NR 1 TAT PROBE DEFORMED DUE TO BIRD STRIKE DAMAGE. (FLIGHT 5403) UPON INSPECTION, FOUND THE DEFORMATION ON THE FWD FUSELAGE NR 1 LT TAT INTERNAL MOUNTING PLATE AND NR 1 TAT PROBE ITSELF AND NOT THE FUSELAGE SKIN AROUND THE PLATE & PROBE. PER
See all 254 reports