JASC 7720

Service difficulty reports · 696

Reports filed under 7720 · Engine Temperature Indicating System, newest first.

Query with SQL
duckdb -csv -c "SELECT sdr_id, difficulty_date, n_number, aircraft_make, aircraft_model, part_name, part_condition, jasc_code, discrepancy
  FROM 'https://openairdocs.org/data/latest/faa_service_difficulty_report.parquet'
  WHERE jasc_code = '7720'
  ORDER BY difficulty_date DESC"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

SDR ASAA12511365Probe · faultyDIAGNOSTICS REPORTED NR 2 ENGINE TREND DATA CONTINUES TO SHOW A SHIFT IN DELTA CRUISE AND TAKE OFF MARGIN INDICATIVE OF EGT INDICATION ERRORS. PREVIOUS MAINT EGT CONNECTOR CLEAN. NO FAULTS ON CURRENT FAULTS & FLIGHT FAULT HISTORY. ACCOMPLISHED AMM TASK 77-2Apr 9, 2012 · N513AS · Boeing 737890SDR UALA2012033001993Sensor · faultedCREW REPORTS AFTER ENGINE START RT ENG PROBE HEAT EICAS MSG DISPLAYED. DEFERRED PER SAMC. REPLACED RIGHT ENG P2-T2 SENSOR AND ACCOMPLISHED OPS CHECK, ALL TESTS PASS.Mar 29, 2012 · N589UA · Boeing 757222SDR A6WA201260373Thermocouple · failedAFTER TAKE OFF, LEFT ENGINE ITT SPIKED INTO RED RANGE & HOT ICON SHOWED ON GAGE, THREE TIMES WITHIN 9.5 MI PERIOD. ITT INDICATOR RETURNED TO GREEN BUT WITH HOT ICON DISPLALYED. ALL OTHER ENGINE PARAMETER NORMAL. R & R ITT THERMOCOUPLE ASSY. OPS CHECKED GOMar 18, 2012 · N402AW · Cndair CL6002B19SDR NSVA20120315483Cable · out of rigRETURNED TO FIELD DUE TO TEMPERATURE AND TORQUE FLUX. RIGGED RT ENGINE CABLES. ALL CHECKS GOOD. NO PARTS NEEDED.Mar 16, 2012 · N198CJ · Saab 340BSDR CALA2012012400046Warning System · activatedL ENG OVERHEAT - AT CRUISE, ECIAS MSG "L ENG OVERHEAT" FOLLOWED QRH PROCEDURE - L ENG OVERHEAT EXTINGUSHED AT IDLE, CONTINUED FLIGHT AT IDLE PWR. NO SECONDARY INDICATIONS OF OVERHEAT. N1 82% AT CRUISE AT 2 HOURS OF FLIGHT TIME. INSPECTED NR 1 ENGINE - NO DEFJan 24, 2012 · N78866 · Boeing 75733NSDR ASAA11510523Probe · failedGE DIAGNOSTICS REPORTS NR 1 ENGINE TREND DATA SHOWS A SHIFT IN DELTA CRUISE AND TAKE OFF MARGIN INDICATIVE OF EGT INDICATION ERRORS. ACCOMPLISHED TASK 77 21 01 200 801 F00 T49.5 PROBE AND EGT SYS INSP AND FOUND T49.5 PROBE AT SECTOR S3 TO BE OUT OF LIMITS. ROct 18, 2011 · N559AS · Boeing 737890SDR ASAA11510462Probe · failedGE DIAGNOSTICS REPORTS NR 2 ENGINE TREND DATA CONTINUES TO SHOW A SHIFT IN DELTA CRUISE AND TAKE OFF MARGIN INDICATIVE OF EGT INDICATION ERRORS. PERFORMED TASK 77 21 01. FOUND T49.5 S3 PROBE FAULTY (HIGH RESISTANCE). INSTALLED NEW S3 PROBE REF 77 21 01. OPOct 5, 2011 · N596AS · Boeing 737890SDR UALA2011092605196Thermocouple · fodNR 2 ENG TCA THERMOCOUPLE PROBE AT 9 O'CLOCK POS DOES NOT SEAT COMPLETELY. SUSPECT DEBRIS IN HOLE. INSTALLED TCA PROBE AFTER REMOVAL OF FOD. 5 MIN CHECK ENGINE TEMPS, NORMAL.Sep 24, 2011 · N213UA · Boeing 777222SDR FDEA201109224048Tee Fitting · crackedON TAKEOFF ROLL NR 3 EPR GAUGE SLOW TO RESPOND TO ADVANCING THROTTLE, NEVER MADE IT TO TAKEOFF EPR. NR 3 EGT IN YELLOW, NR 3, N1 TOUCH BOTTOM OF REDLINE, REJECTED T/O AT 80 KTS. PRESSURE CHECKED EXHAUST SENSE LINE- CHECKED OK. CHECKED TEE FITTING AT TRANSep 22, 2011 · N207FE · Boeing 7272S2FSDR USAA2011080200028Warning System · false activationPHX - FLT 1802 EN ROUTE PHX TO LAS. LT ENGINE OVERHEAT CAME ON AT FL280. EGT WAS NORMAL. LT WENT OUT AFTER 2 MINUTES OF REDUCED OPERATION. DECLARED AN EMERGENCY AS A PRECAUTION. THE FLIGHT LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE GROUND RAN ENGINE 5Jul 31, 2011 · N200UU · Boeing 7572B7SDR HALA2011070400306Indicator · inaccurateETOPS SIGNIFICANT SYS -TOP OF CLIMB LT EGT INDICATOR SKEWED LOW 470-540 DEG C, WHEN NORMAL 724 DEG C. FOUND 2 EGT PROBE AT TOP OF ENG LOOSE TERMINAL NUTS. RETORQUED NUTS IAW AMM 77-21-01. RAN-UP BOTH ENGINES. EGT IND SYS OPS CHECK OK IAW AMM 77-21-00.Jul 4, 2011 · N598HA · Boeing 767332SDR HALA2011070400307Thermocouple · contaminatedETOPS SIGNIFICANT SYS - TOP OF CLIMB TO FL380 (THE UPPER EICAS SCREEN) EGT INDICATION LT ENGINE SKEWED A COUPLE TIMES FROM NORMAL 729C TO 445/542C: DURATION OF SKEW WAS 3 TO 5 MINUTES EACH EVENT. FOUND TGT THERMOCOUPLE AT 8:30 O'CLOCK POS LOWER LEAD & NUT COVJul 3, 2011 · N598HA · Boeing 767332SDR ASAA1159060Probe · failedGE DIAGNOSTICS REPORTS AN INCREASE IN CRUISE EGT WITH A CORRESPONDING DECREASE IN EGT MARGIN ON NR 2 ENGINE ALL OTHER PARAMETERS NORMAL. FAULT CODE 77 20872 LOGGED IN NR 2 EEC FOUND S1&S4 VALUE DIFFER BY MORE THAN 200 DEG. REPLACED S4 TEMP PROBE REF MM 77 21Feb 19, 2011 · N596AS · Boeing 737890SDR NSVA2010171Unknown · malfunctionedRIGHT ENGINE ITT AND OIL PRESSURE FLUCTUATIONS, OTHER INDICATIONS STAYED NORMAL. CREW RETURNED AS A PRECAUTION. REPLACED DECK, OPS CHECKED GOOD.Sep 22, 2010 · N314CE · Saab 340BSDR C2XA10TY122Sensor · contaminatedTYS - A/C WAS DIVERTED TO TYS FROM BNA DUE TO E1 OVERTEMP. TYS MAINTENANCE FOUND A LOOSE B-NUT THAT WAS LEAKING HOT AIR ONTO A TEMP SENSOR. TIGHTEN B-NUT AND OPD CHECK GOOD AND WAS RELEASED BACK TO SERVICE.Sep 9, 2010 · N13990 · Emb EMB145LRSDR ASAA1058074Sensor · failedDUCT PRESSURE DIFFERENTIAL EXCEEDS 20 PSI DURING CLIMB: FL 370 100.1 PERCENT N1 53 DEG C L. 45 PSI R. 22 PSI FL 380 99.7 PERCENT N1 54 DEG C L. 43 PSI R. 22 PSI (CLIMB PWR) FL 380 90.2 PERCENT N1 54 DEG C L. 41 PSI R. 25 PSI (CRUISE PWR). REPLACED NR 2 ENGINEJul 14, 2010 · N587AS · Boeing 737890SDR CA100703001Probe · cracked(CAN) TEMP EXCURSION/IFSD DURING DESCENT, THE ENGINE TEMP SPIKED AND THE PILOT TRIED TO CONTROL TEMP WITH THROTTLE SETTINGS TO NO AVAIL. THE ENGINE WAS SHUT DOWN AND THE ACFT LANDED SAFELY SINGLE ENGINE. THE PROBLEM WAS CAUSED BY A FAULTY TEMP INDICATION RESULJun 24, 2010SDR ASAA1057962Unknown · malfunctionedWHILE ACCOMPLISHING FMC CDU T/C FOUND CODE 77 10842 THE TOP RIGHT EGT SIGNAL 9T495 S1) IS OUT OF RANGE FOR NR 2 ENGINE AND 77 10852 THE BOTTOM RIGHT EGT (T49552) IS OUT OF RANGE FOR NR 2 ENG. FAULT CODES 77 10842 AND 77 10852 LOGGED IN FLIGHT LEG 1 ONLY. FOLJun 16, 2010 · N559AS · Boeing 737890SDR SWAA101443Sensor · faultyDECLARED EMERGENCY. NR 1 ENGINE COMPRESSOR STALLED. REMOVED AND REPLACED NR 1 ENGINE MEC, FUEL PUMP AND CIT SENSOR PER MM.Mar 7, 2010 · N520SW · Boeing 7375H4SDR FDEA201003070671Display · failedENG NR1 OIL TEMP HI ALERT APPEARED, ALL OTHER INDICATIONS NORMAL. OIL TEMP MAXED AT 220 DEGREES C. SHUTDOWN NR1 ENG IAW QRH. OIL TEMP RETURNED TO 80 DEGREE C IMMEDIATLY AFTER SHUTDOWN. VIA SATCOM CONSULTED WITH GOC, MOCC, POWERPLANT DUTY OFFICER AND TECH PILMar 7, 2010 · N599FE · Doug MD11FSDR HALA2009092200432Indication Sys · malfunctionedETOPS SIGNIFICANT SYSTEM - RT ENG EGT WENT TO RED RANGE. EEC WAS ON. PEAK EGT 946 DEG. TIME ABOVE LIMIT APROX LESS THAN 20 SECONDS. ACCOMP AMM 71-00-00-862-002-600 STEP G6 A(3)THRU(3)G. 9-23-09 NEED TO CONT STEP G6A(3)H. AS PER POWERPLANT ENGINEER CAUSE OF OSep 22, 2009 · N596HA · Boeing 767332SDR ASAA0956644Indication Sys · malfunctionedGE DIAGNOSTICS REPORTS NR 1 ENGINE TREND DATA SHOWS A SUDDEN DECREASE IN CRUISE DELTA EGT WITH A CORRESPONDING INCREASE IN TAKEOFF HOT DAY MARGIN. INDICATION ERRORS ARE SUSPECT. LONG TERM FAULT 77 10841 TOP RIGHT EGT SIGNAL OUT OF RANGE NR 1 ENG. ACCOMPLISHSep 19, 2009 · N563AS · Boeing 737890SDR FDEA200907032471Thermocouple · inoperativeDURING CLIMB, ENG CLIMB POWER ENG 1 EGT EXCEEDENCE 993'C MAX. TOTAL EXCEEDENCE TIME APPROX 15 SEC. NO ERRATIC N1, N2, OR F/F. EGT ROSE GRADUALLY & THEN SLOWLY DECLINED AS THROTTLE REDUCED TO IDLE. EGT IN LIMITS WITH THROTTLE REDUCED. NO FIRE WARNINGS. ATJul 3, 2009 · N399FE · Doug MD1010FSDR REXA200900072Thermocouple · defectiveON CLIMBOUT, RT ENGINE ITT BEGAN TO FLUCTUATE WILDLY. ALL OTHER ENGINE PARAMETERS WERE NORMAL. THE FLIGHT CREW PERFORMED THE QRH, DECLARED AN EMERGENCY AND REQUESTED TO RETURN TO DEPARTURE. AN OTHERWISE NORMAL APPROACH AND LANDING WERE MADE. CFR MET THE ACFJun 29, 2009 · N8505Q · Cndair CL6002B19SDR HALA2009062600264Gasket · missingETOPS SIGNIFICANT SYS - REF HAL M1137-767 NR 2 ENGINE EXTERNAL INSP FOUND ALL 8 EGT PROBES BASE AND CASE GASKETS BLOWN OUT AND MISSING. RMVD ALL EGT THERMOCUPLE PROBES, RPLCD INNER AND OUTER GASKETS IAW AMM 77-21-04-004-005-G00 AND ACCMP EGT OPS CHK IAW AMM Jun 26, 2009 · N597HA · Boeing 767300SDR QXEA2009051800354Valve · malfunctionedSEA - AFTER TAKEOFF AND DURING INITIAL CLIMB, NR 2 ITT IN RED AT 865 WITH NR 2 FUEL FLOW APPROX 200 LBS/HR HIGHER THAN NR 1. REDUCED POWER AFTER 20 SEC INTO GREEN. NTOP TO 1 MINUTE AFTER CRUISE POWER SET, NR 2 ITT AND FUEL FLOW "JUMPED BACK TO NORMAL". INTEMay 14, 2009 · N403QX · Bombdr DHC8402SDR FDEA200904221376Sensor · failedNR 1 ENG OIL TEMP HIGH LEVEL 3 ALERT. CAME BACK DOWN & FLUCTUATED THROUGHOUT FLIGHT. JUST PRIOR TO DESCENT WENT 178 RED BOXED. SHUTDOWN IAW QRH. WINDMILLED ABOUT 25 MIN. OIL PRESS SLIGHTLY LOW WHEN RUNNING, ABOUT 45 PSI WINDMILLING. TEMP CAME DOWN AT SHUApr 22, 2009 · N365FE · Doug MD1010FSDR IPXA09655002Shunt · inoperativeINSPECTION TYPE:ETOP ATB - LT ENG PRI AND STBY EGT INOP. EPER FIM 77-21-00 PIMU BITE SHOWS 352 16A EGT SENSOR AND 352 16B EGT SEN PER PIMU MESS INDEX. REMOVED AND REPLACED SHUNT JUNCTION BOX IAW 77-21-53-4 UP TO OPS CK. SHUNT BOX CKS J131 PIN B TO J3 PIN E Mar 12, 2009 · N306UP · Boeing 76734AFSDR HALA0800822Valve · faultedBTB - NR 2 ENGINE HOT START, MAX TGT 700 DEG. INTERROGATED NR 2 EEC FOUND STARTER AIR VLV FAULT. START TEMP WITHIN LIMITS PER MM 71-00-05. REPLACED START VLV PER M/M 80-11-03, OPS CHECK LEAK CHECK GOOD. P/N 3291678-2, S/N ON 182C OFF 378.Oct 22, 2008 · N475HA · Boeing 717200SDR ASAA0853587Probe · malfunctionedGE DIAGNOSTICS REPORTS NR 1 ENGINE CRUISE DELTA EGT SHOWS GREATER THAN NORMAL SCATTER AND MOVEMENT. EGT INDICTION IS SUSPECT: PRI: 1 PERFORMED EGT PROBES CLEANING PER MM 77 21 00 201 PINS AND SOCKETS TENSION CHECKED NORMAL. VALUES S1 S4 PRE 205 176 176 214 POOct 7, 2008 · N583AS · Boeing 737890SDR FDEA200808263600Sensor · failedNR 1 ENGINE N1 INDICATION BECAME UNSTABLE DURING CLIMB. REPEAT WRITE-UP, THEN EGT EXCEEDED LIMITS AT 952 DEG THEN FUEL FLOW INDICATION BECAME UNSTABLE WITH SURGING AND YAW. REMOVED AND REPLACED THE FUEL FILTER AND THE TEMP INLET SENSOR (T 1.2). REF AMM 73-1Aug 26, 2008 · N661FE · Airbus A300F4605RSDR DXTA200808043215Indicator · false indicationAFTER BRAKE RELEASE, LT ITT GAUGE WENT OFF SCALE HIGH. TAKEOFF WAS ABORTED AT LESS THAN 20 KNOTS. PRIOR TO BRAKE RELEASE, ALL ENGINE GAUGES RAD NORMAL AT FULL POWER. ENGINE GAUGES ON BOTH ENGINES CONTINUED TO REMAIN NORMAL EXCEPT FOR LT ITT GAUGE WHICH STAYAug 4, 2008 · N662QS · Cessna 560CESSNASDR CA080724004Indicator · malfunctioned(CAN) WHILE RETURNING TO HOME BASE AT CRUISE FLIGHT, FLIGHT CREW NOTICED THAT THE LT ITT GAUGE WAS ERRATIC. THERE WAS NO NOTICE IN ENGINE PERFORMANCE NOR WERE ANY OF THE REMAINING ENGINE INSTRUMENTS SUPPORTING ENGINE PERFORMANCE ISSUES. UPON RETURN TO BASE, MAJul 21, 2008 · Beech 100BEECHSDR C8GA20080019Sensor · inoperativeFLT 245 FROM EWR TO BDA. DURING TAKEOFF THE NR 2 ENG HAD A HIGH OIL TEMP LIGHT, CREW PERFORMED ENG SHUTDOWN AND THE ACFT RETURNED TO EWR WHERE IT LANDED WITHOUT INCIDENT. POST FLIGHT INSPECTION REVEALED THAT THE NR 2 ENG OIL TEMP BULB WAS AT FAULT. REMOVED Jun 25, 2008 · N713AA · Boeing 727200SDR C8G2008F00005Bulb · inoperativeDURING TAKEOFF THE NR 2 ENG HAD A HIGH OIL TEMP LIGHT, CREW PERFORMED ENG SHUTDOWN AND THE AC RETURNED TO DEPARTURE WHERE IT LANDED WITHOUT INCIDENT. POST FLIGHT INSPECTION REVEALED THAT THE NR 2 ENG OIL TEMP BULB WAS AT FAULT. REMOVED AND REPLACED OIL TEMP Jun 25, 2008 · N713AA · Boeing 727200SDR ASAA0852981Probe · dirtyNR 1 ENGINE EGT HOT DAY MARGIN HAS NOT RECOVERED TO EXPECTED LEVELS AFTER LAST COMPRESSOR WASH. ALL OTHER PARAMETERS ARE NORMAL. COMPLETED T C 78273000, NO FAULTS LOGGED. PRE CLEAN T49.5 S1 S4 106 61 67 128. AFTER CLEANED 62 32 35 78. DURING ENG RUN AFTMay 26, 2008 · N570AS · Boeing 737890SDR BB08071Indication Sys · malfunctionedPHX FLT 429 PHX TO OGG. ON TAKEOFF, THE LEFT ENGINE OVER TEMPED AT 871 AND FLUCTUATING. THE FLIGHT RETURNED TO PHX AND LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE ACCOMPLISHED EGT THERMOCOUPLE PROBE TEST, A DETAILED VISUAL INSPECTION OF CONNECTORS, AND A Apr 23, 2008 · N906AW · Boeing 7572S7SDR CA080218005Thermocouple · grooved(CAN) AFTER LESS THAN 500 HRS THERMOCOUPLES FOUND WITH A GROOVE WORN INTO TIPS. THIS IS THE SECOND TIME THIS DEFECT HAS BEEN FOUND. (TC NR 20080218005)Feb 18, 2008 · Snias AS350B3SDR 07FDEA04889Thermocouple · malfunctionedDURING CLIMB, NR 2 EGT (POINTER/DIGITAL) WERE FLUCTUATING +/- 50C. ALL OTHER ENGINE PARMS NML. NO YAW NOTED. PULL NR 2 THROTTLE BACK TO ABOUT 10 PERCENT, NO CHANGE. HIGHEST EGT WAS APPROX 860C. AFTER ABOUT 10 MINS EGT STAB AT ABOUT 800C AND NML REST OF FLNov 21, 2007 · N429FE · Airbus A310203SDR ASAA0752254Probe · dirtyENGINE TREND DATA SHOWS AN INCREASE IN CRUISE DELTA EGT ALONG WITH A DECREASE IN TAKEOFF EGT HOT DAY MARGIN. NR 2 ENGINE S/N 894227. ALL OTHER PARAMETERS ARE STABLE. INDICATION ERRORS ARE SUSPECT. ACCOMPLISHED FMC CDU FAULT TASKCARD NO FAULTS NOTED. ACCOMNov 9, 2007 · N559AS · Boeing 737890SDR CA071109006Indicator · unserviceable(CAN) DURING CRUISE THE NR2 ENGINE ITT INDICATION BECAME ERRATIC, THEN CLIMBED THROUGH THE RED LINE. THE FLIGHT CREW SHUTDOWN THE ENGINE AND FEATHERED THE PROP. THE AIRCRAFT RETURNED TO AIRPORT. MAINTENANCE TESTED THE ITT SYSTEM AND FOUND THE INDICATOR TO BE ANov 8, 2007 · Gulstm 690ASDR AALA20072095Probe · inoperativeMIA INFLIGHT T651/31OCT - NUMBER TWO ENGINE INDICATED HIGH ENGINE GAS TEMPERATURE ON TAKEOFF. RETURNED TO MIA AND LANDED WITHOUT INCIDENT. REPLACED TOP LEFT T49.5 PROBE. SYSTEM GROUND CHECKED NORMAL OPERATION.Oct 31, 2007 · N917AN · Boeing 737823SDR CA071030008Indicator · erratic(CAN) DURING RUN-UP, OIL TEMP INDICATOR DROPPED OFF SCALE. THEN WENT BACK TO NORMAL INDICATION. THE ERATIC OPERATION COULD BE INDUCED BY ENERGIZING DIFFERENT ELECTRICAL EQUIPMENT. HOURS IN USE, NONE AT THIS TIME.Oct 25, 2007 · Piper PA31SDR HALA0700380Electrical Box · malfunctionedETOPS SIGNIFICANT SYSTEM, AFTER ENGINE START RIGHT ENGINE EGT DECREASED FROM 435DEG TO 20DEG AND REMAINED AT 20 DEG WHEN THROTTLE ADVANCED. STANDBY INDICATIONS INDICATE SAME CONDX. REPLACED JUNCTION BOX PER AMM 77-21-02-004. REMOVED, INSTALLED AMM-77-21-004.Sep 15, 2007 · N594HA · Boeing 767332SDR CA071003029Thermocouple · unserviceable(CAN) THE ENGINE OVER-TEMPERATURE WARNING ACTIVATED IN FLIGHT AND THE ENGINE WAS SHUTDOWN. SUBSEQUENT INSPECTION REVEALED TWO UNSERVICEABLE T6 THERMOCOUPLES. (TC NR 20071003029)Aug 29, 2007 · Fokker F27MK50SDR IJA2007F00000Tachometer · failedDURING A PATIENT TRANSPORT, THE PILOT RECEIVED A LOS NR TACH INDICATION OF 320 RPM. THE NR WARNING HORN NEVER ACTIVATED. THE HELICOPTER MADE A PRECAUTIONARY LANDING. THE PATIENT WAS GROUND TRANSPORTED TO HOSPITAL. MAINTENANCE WAS DISPATCH. THE HELICOPTER Aug 29, 2007 · N406EM · Snias AS350B2SDR AMTA200700388Sensor · malfunctionedINITIAL CLIMB DUCT PRESSURE L-15, R42 PSI, AT 16,000, N1 96.3, L 13, R 32 PSI, AT 27,000, L13, R 26, N1 98.7 IN CRUISE AT 370, L18, R 28. ON DESCENT BOTH MATCH UP. REMOVED AND REPLACED NR 1 ENG 450 TEMP SENSOR IAW MM 36-11-05-4. (K)Aug 11, 2007 · N310TZ · Boeing 73783NSDR DXTA200702292Engine · unknownUPON SETTING TAKEOFF POWER, THE RT ENGINE ITT BEGAN FLUCTUATION BETWEEN 400 - 650 DEGREES. TAKEOFF ABORTED BELOW 70 KTS. [07-12-07] RAN AIRCRAFT TO TAKEOFF POWER FOUND NO FLUCTATION PERFORMED 5 POINT RUNS AND FAXED RESULTS TO MTX ALL PRAMITERS WITHIN LIMITSJun 24, 2007 · N115QS · Beech 400ASDR NSVA20070147Indicator · malfunctionedLEFT ENGINE ITT RED LINED ON TAKE OFF AND DIGITAL PORTION OF GAUGE WENT BLANK. REMOVED AND REPLACED LT ENG ITT GAUGE IAW AMM 77-20-05. OPS GOOD P/N ON/OFF 10227N01 S/N OFF B599A S/N ON 124A, GROUND RUN ENGS AT TAKEOFF PWR ACC IND NORMAL ACC INDICATIONS NORMAJun 1, 2007 · N321CJ · Saab 340BSDR DXTA200702215Warning Light · false activationLT ENGINE N2 OVER SPEED LIGHT (RED) COMES ON DURING TAKEOFF ROLL. N1 WAS SET AT 96.7 AND N2 DIGITS INDICATE 94-95 PERCENT. (M2B) UPON ARRIVAL RAN ACFT TO TAKEOFF POWER. OAT A 16 DEGREES C N1 BOTH ENGS AT 97.0, N2 LT ENG 94.4 RT 93.7. NO OVERSPEED INDICATED. RMay 24, 2007 · N343QS · Cessna 560CESSNA
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