N517AS

Service difficulty reports · 449

Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. 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 n_number = 'N517AS' AND registry_match = 'registration'
  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 ASAA1159364Warning System · false activationAPU MAINT LIGHT ILLUMINATED AFTER APU START DURING TAXI IN. PERFORMED BITE CHECK ON CDU PER AMM 49 61 00 700 801 AND NO FAULTS FOUND WITH THE LAST 30 DAYS CHECKED APU OIL AS FULL AND OPERATED APU WITH NO FAULTS NOTED.Mar 30, 2011 · N517AS · Boeing 737890 · APU Indicating SystemSDR ASAA1159329Unknown · malfunctionedON GROUND HAD "FMC DISAGREE" ALERT. PERFORMED STEPS FROM QRH & RESOLVED ISSUE.Mar 23, 2011 · N517AS · Boeing 737890 · Flight Management Computing Hardware SystemSDR ASAA1158862Valve · damagedNR 2 IDG HAS RECENT HISTORY OF FREQUENT SERVICING. TSR ISSUED. REPLACED NR 2 IDG VENT VALVE AND SERVICE FITTING REF CMM 24 11 85. IDLE LEAK CHECKED NR 2 IDG VENT VALVE AND SERVICE FITTING, NO LEAK FOUND.Jan 21, 2011 · N517AS · Boeing 737890 · AC Generator-AlternatorSDR ASAA1158856Engine · contaminatedNR 2 ENG AFT SUMP CHIP DETECTOR HAD A LARGE PIECE OF NON MAGNETIC MATERIAL IN THE SCREEN. RECOVERED MATERIAL SENT TO POWERPLANT ENGINEERING FOR ANALYSIS. RAN NR 2 ENG AT 70 PERCENT N1 FOR 10 MIN & RECOMPLIED WITH TASKCARD 78472040 NO ADDITIONAL MATERIALS RECJan 19, 2011 · N517AS · Boeing 737890 · Turbine Engine Oil SystemSDR ASAA1058625Circuit Breaker · trippedAUTO THROTTLE WILL NOT ARM. FOUND "AFCS A WARN LIGHT (BAT)" CB OUT. CHECKED BEHIND P18 1 FOR CONTAMINATION OR DEFECTS NONE NOTED. RESET CB REF MM 20 60 01. ACCOMPLISHED DFCS BITE 30 & 49 & HGS TEST REF MM 34 36 00. BOTH OPS NORMAL.Dec 13, 2010 · N517AS · Boeing 737890 · Auto Throttle SystemSDR ASAA1058516Filter · dirtyCONT CAB "ZONE TEMP" LIGHT ILLUMINATES ON RECALL. EXTINGUISHES ON MASTER CAUTION RESET. PACK ZONE TEMP CTLR NR 2 LOGGED INTERMITTENT FLT DECK TRIM VALVE FAULT. RESET FAULT AND BITE TEST GOOD WITH NO FAULTS LOGGED. FOUND TEMP BULB IN FLT DECK WITH DIRTY SCRNov 17, 2010 · N517AS · Boeing 737890 · Cabin Temperature Control SystemSDR ASAA1058478Unknown · malfunctionedFMC DISAGREEMENT LIGHT ON TAXI OUT (GRD POWER INTERUPTION HAD PREVIOUSLY OCCURED AT GATE. COMPLETED QRH PROCEDURES RESTORED FMCS. OPS NORMAL.Nov 4, 2010 · N517AS · Boeing 737890 · Flight Management Computing Hardware SystemSDR ASAA1058463Bleed Air Sys · malfunctionedON TAKEOFF AT 500FT AGL THE RIGHT BLEED TRIP OFF LT CAME ON. OAT +19 ENG. + WING ANTI ICE WAS ON FOR TAKEOFF. WHEN LT CAME ON ONLY ENG ANTI ICE ON. RAN CHECKLIST LT WENT OUT (BLEED TRIP OFF). DUCT PSI AT CRUISE RT 30 PSI LFT 46 PSI WHILE CHANGING ALTITUDE FOct 29, 2010 · N517AS · Boeing 737890 · Pneumatic Distribution SystemSDR ASAA1058456Regulator · faultyRIGHT SIDE "BLEED TRIP OFF" LIGHT ILLUMINATED ON DEPARTURE. RAN QRH PROCEDURE INDICATION RETURNED. DIVERSION TIME 12 MINUTES. PERFORMED FIM TASK STEP G (3) OF MM 36 10 00 AND ENGINE BLEED AIR SYSTEM HEALTH CHECK REF MM 36 11 00 STEP I HI STAGE REGULATOR FAIOct 27, 2010 · N517AS · Boeing 737890 · Pneumatic Distribution SystemSDR ASAA1058374Keyboard · defectiveFO'S FMC BUTTON 6R VERY DIFFICULT TO PRESS/SELECT. REPLACED MCDU KEYBOARD PER TASK 34 61 01 400 801 & EA 800 34EA 04130. MCDU TESTS GOOD.Oct 12, 2010 · N517AS · Boeing 737890 · Flight Management Computing Hardware SystemSDR ASAA1058291Filter · defectiveDURING SERVICE CHECK FOUND NR 2 ENGINE IDG DIFFERENTIAL PRESSURE INDICATOR EXTENDED. PERFORMED FIM TASK 24 11 00 810 803. PERFORMED NR 2 IDG FILTER REPLACEMENT REF T/C 78424000. NO FAULTS FOUND DURING ACCOMPLISHMENT OF FMC/CDU T/C 78273000.Sep 22, 2010 · N517AS · Boeing 737890 · AC Generator-AlternatorSDR ASAA1058212Filter · faultyNR 1 ENGINE IDG DPI POPPED. ACCOMPLISHED FIM 24 11 00 810 803 NO FMC CDU FAULTS. REMOVED AND REPLACED IDG FILTERS. NO DEBRIS FOUND. LEAK CHECK GOOD.Aug 19, 2010 · N517AS · Boeing 737890 · AC Generator-AlternatorSDR ASAA1057978Unknown · malfunctionedDURING AUTO LAND AIRCRAFT TOUCHED DOWN 45 50 FT LEFT OF CENTERLINE. (NOTE) ILS CRITICAL ZONE WAS NOT PROTECTED. ACCOMPLISHED FIM TASK 22 11 00 810 825. LAND VERIFY TEST PER AMM TASK 22 11 00 700 801, OPS CHECK GOOD.Jun 17, 2010 · N517AS · Boeing 737890 · Autopilot SystemSDR ASAA1057855Valve · failedLEFT BLEED TRIP WHILE DESCENDING BUT WERE DOING A SHALLOW DESCENT WITH POWER. FOLLOWED CHECK LIST AND LIGHT WENT OUT ON RESET. PRSOV FAILED TROUBLESHOOTING STEP 5B AND FOUND PRECOOLER VALVE POSN IND OVERRIDE NUT BROKEN. REPLACED PRSOV AND PRECOOLER CTRL VLVMay 22, 2010 · N517AS · Boeing 737890 · Pneumatic Distribution SystemSDR ASAA1057792Filter · dirtyZONE TEMP FOR CONT CAB ILLUMINATED ON RECALL. BITE CHECKED TEMP CONT IAW 21 61 00 BOTH FAULTED CONT CAB SENSOR FOUND FILTER DIRTY CLEANED IAW MM 21 61 06 BOTH CONTROLLERS RESET WITH NO FURTHER FAULTS.May 9, 2010 · N517AS · Boeing 737890 · Cabin Temperature Control SystemSDR ASAA1057615Unknown · malfunctionedON PREFLIGHT OBSERVED RIGHT FWD OVERHEAT LIGHT WINDSHIELD ILLUMINATED, OBSERVED C/B POPPED P6 11. VERIFIED FAULT WINDOW HEAT C/B TRIPPED RESET C/B PER 20 60 01 860 801. PERFORMED WINDOW HEAT TEST IAW 30 41 11 710 801, NO FAULTS LOGGED. GND VERIFICATION TESTMar 27, 2010 · N517AS · Boeing 737890 · Windshield/Door Rain/Ice RemovalSDR ASAA1057292Transceiver · faultyWEATHER RADAR DISPLAYS "SPOKES" IN WEATHER MODE. APPEARS TO DISPLAY WEATHER AND TERRAIN AND FUNCTION PROPERLY OTHERWISE. PREVIOUS CREW HAD NO ISSUES. REMOVED AND REPLACED WXR RADAR R/T UNIT REF MM 34 43 41. OPS NORMAL SAME. SUCCESSFUL GROUND VERIFICATION.Jan 29, 2010 · N517AS · Boeing 737890 · Weather Radar SystemSDR ASAA1057274Unknown · malfunctionedAUTO FAIL LIGHT (PRESS PANEL) CAME ON AT THE START OF DESCENT FROM FL 380. RAN QRH PROCEDURE LIGHT WENT OUT IN ALTN MODE. CYCLED PRESSURIZATION LOAD SELECTOR SWITCH. AUTO FAIL LIGHT REMAINED EXTINGUISHED. PERFORMED BITE CHECK DEPC NR 1 AND NR 2 NO CURRENT Jan 21, 2010 · N517AS · Boeing 737890 · Cabin Pressure Control SystemSDR ASAA1057205Fan Blade · dentedNR 2 ENGINE HAS A DENT IN THE NR 1 FAN BLADE LOCATED APPROX 12.65 INCHES FROM THE BLADE TIP AND IS APPROX .022 INCH DEEP. DETERMINED TO BE NORMAL EROSION LOCATED IN AREA "B" FIG 801. BLENDED THE NR 1 BLADE ON THE NR 2 ENGINE PER AMM 72 21 02. ACCOMPLISHED FJan 5, 2010 · N517AS · Boeing 737890 · Turbine Engine Compressor SectionSDR ASAA0957094Position Sensor · out of adjustAUTOPILOTS DISENGAGED OVER FAF APPROX 1800FT MSL AIRCRAFT ON SPEED LIGHT TO MOD TURB (AUTOLAND EVAL ATTEMPT). FOUND FAULT CODE 22 11190 B SIDE. ADJUSTED AILERON POSITION SENSOR. AILERON RIG TEST GOOD. BITE TEST GROUP NR 46 AND LAND VERIFY TEST GOOD.Nov 30, 2009 · N517AS · Boeing 737890 · Autopilot SystemSDR ASAA0957016Unknown · malfunctionedON APPROACH TO 16L SEA AT APPROX 4000 FT AND 12 MILES AUTOPILOT "A" ENGAGED "APP" SELECTED. UPON CAPTURING G/S A/P PITCHED DOWN THEN UP FOLLOWED BY A/P DISCONNECT. DFCS LOGGED MSG 22 11368 G/S ANOMALY DETECTED. SYS TESTS GOOD REF FIM TASK 22 11 810 801. A/Nov 16, 2009 · N517AS · Boeing 737890 · Autopilot SystemSDR ASAA0956954Control Valve · stuckAS DESCENT WAS INITIATED AT FL 400 NR 1 ENG BLEED TRIPPED OFF WITH A CORRESPONDING DROP IN LEFT DUCT PRESSURE. QRH OPERATED AND BLEED TRIP LIGHT EXTINGUISHED NO ENG OR WING A/I OF FLIGHT MIG 2C 237137 INITIATED. WHILE PERFORMING FIM TASK 36 10 00 810 801 FOUNov 4, 2009 · N517AS · Boeing 737890 · Pneumatic Distribution SystemSDR ASAA0956812Warning System · malfunctionedFMC DISAGREE LIGHT ILLUMINATED ON TAXI OUT. PERFORMED 737QRH FMC DISAGREE PROCEDURE. ALL NORMAL. (ADDL INFO GRD PWR WAS DISCONNECTED PREMATURELY PRIOR TO PUSH. A/C WAS WITHOUT PWR FOR APPROX 45 SEC).Oct 14, 2009 · N517AS · Boeing 737890 · Central WarningSDR ASAA0956387Module · failedF/O'S FLIGHT DIRECTOR PITCH BAR FAILED DURING DESCENT AND B AUTOPILOT WOULD NOT ENGAGE. GROUNDED YES. NR 1 DEU LOGGED FAULT CODE 31 69741 NO STALL MANAGEMENT 2 DATA TO DEU 1.REMOVED AND REPLACED NR 2 SMYD REF MM 27 32 42 OPS CHECK NORMAL. B AUTOPILOT GROUND VEAug 8, 2009 · N517AS · Boeing 737890 · Cabin Compressor SystemSDR ASAA0956378Unknown · malfunctionedF/O FLIGHT DIRECTOR PITCH BAR DISAPPEARS INTERMITTENTLY DURING DESCENT. MACH TRIM FAIL LIGHT ILLUMINATES WITH MASTER CAUTION "RECALL" INTERMITTENTLY. PERFORMED TASK 22 11 00 740 801 DFCS OPERATIONAL TEST FLIGHT DIRECTOR GROUP 12 TEST AND DFCS OPERATIONAL TESAug 6, 2009 · N517AS · Boeing 737890 · Autopilot SystemSDR ASAA0956372Computer · malfunctionedB AUTOPILOT DISCONNECTED 3X ARRIVING IN OGG, OK IN CRUISE A AUTOPILOT SELECTED DURING ARRIVAL OK. REMOVED AND REPLACED "B" FCC PER 22 11 33 OPS CHECK NORMAL PER MM PT II 22 11 33/401 TEST NR 35 FOR DFCS LRU INTERFACE TEST FOR FCC. PERFORMED S/W CROSS LOAD FRAug 3, 2009 · N517AS · Boeing 737890 · Autopilot ComputerSDR ASAA0956149Controller · faultyDURING DESCENT WHEN THRUST WAS BROUGHT TO IDLE PRESS. "AUTO FAIL" LIGHT AND "ALTN" LIGHT CAME ON. RAN QRH AND SWITCHED PRESS CONTROL TO ALTERNATE AND "AUTO FAIL" LIGHT EXTINGUISHED. PRESS REMAINED UNDER CONTROL (DESCENDING CABIN) AT ALL TIMES. PERFORMED FIMJul 5, 2009 · N517AS · Boeing 737890 · Cabin Pressure ControllerSDR ASAA0956012Anti-Ice System · malfunctionedRT ENG ANTI ICE TURNED ON FOLLOWED BY A YELLOW TAI AND THE COWL VALUE LIGHT REMAIN BRIGHT DID NOT DIM. DID QRH THEN IT WORKED NORMAL. GROUNDED YES. TROUBLESHOT IAW FIM 30 21 00 810 802, OPS CHECK NORMAL, NO HISTORY 90 DAYS FAULT CONSIDERED INTERMITTENT. VERJun 23, 2009 · N517AS · Boeing 737890 · Air Intake Anti/De-Ice SystemSDR ASAA0955806Eec · malfunctionedWHITE "A/T LIM" LIGHT ILLUMINATED 3 TIMES IN DESCENT. FIRST TIME AND SECOND TIME LASTED APPROX 10 SEC, THIRD TIME APPROX 2 MINUTES. REMOVED, REPLACED & TESTED NR 1 ENG EEC REF AMM 73 21 60, OPS NORMAL. ETOPS EEC HARDWARE & SOFTWARE P/N VERIFICATION C/W. REJun 1, 2009 · N517AS · Boeing 737890 · Fuel Control/Turbine EnginesSDR ASAA0955713Modulating Valve · defectiveCONT. CAB ZONE TEMP LIGHT ILLUMINATED. PERFORMED QRH CHECK LIST LIGHT REMAINED ON. LIGHT GOES OUT WITH MASTER CAUTION RESET. FAULT CODE 216 271 00. GROUNDED YES. REMOVED & REPLACED CONTROL CABIN ZONE TEMP TRIM AIR MODULATING VALVE REF MM 21 61 21 400 801.May 20, 2009 · N517AS · Boeing 737890 · Cabin Temperature Control SystemSDR ASAA0955688Autopilot Sys · malfunctionedWHILE CAPTURING THE LOCALIZER HTE A AUTOPILOT DISENGAGED AND WOULD NOT RE ENGAGE. GROUNDED YES. "A" AUTOPILOT LOGGED INVALID MMR/ILS DATA LAST FLT. PERFORMED LRU TEST FOR MMR/ILS REF MM 34 31 42 TEST PASSED & DFCS CURRENT STATUS TEST PASSED REF MM 22 11 00 & HMay 18, 2009 · N517AS · Boeing 737890 · Autopilot SystemSDR ASAA0955645Probe · faultyTEMP PROBE LIGHT ILLUMINATED FAULT CODE 303 100 00. GROUNDED, YES. REMOVED AND REPLACED TAT PROBE IAW MM 34 21 06 400 801.May 13, 2009 · N517AS · Boeing 737890 · Outside Air Temperature Indicator/SensorSDR ASAA0955443Screw · defectiveNR 1 ENGINE TREND DATA SHOWS LOW PRESSURE ROTOR VIBRATION LEVELS TO BE TRENDING HIGHER THAT NORMAL AFTER LAST FAN LUBE. TESTED AAVM AND FOUND SCREW LOCATION NR 1 14 30 34 NEEDING REPLACEMENT. REMOVED AND REPLACED BALANCE SCREWS 1 AND 14, REMOVED P11 INSTALLEApr 29, 2009 · N517AS · Boeing 737890 · Turbine Engine Compressor SectionSDR ASAA0955006Autothrottle Sys · malfunctionedAUTOTHROTTLES DISENGAGED WOULD NOT STAY RE-ENGAGED, DISCONNECTS AFTER APPROX 10 SEC. GROUNDED ACRFT, REMOVED AND REPLACED AND TESTED NR 1 AUTO THROTTLE SERVO MOTOR IAW MM22 31 91. TESTS GOOD. ETOPS ROTABLE.Mar 31, 2009 · N517AS · Boeing 737890 · Auto Throttle SystemSDR ASAA0955007Shim · wornNR 1 ENGINE TREND DATA SHOWS A SUDDEN INCREASE IN LOW PRESSURE ROTOR VIBRATION LEVELS. DATA SCATTER INDICATES HARDWARE INSPECTION AND FAN LUBE REQUIRED. ACCOMPLISHED FAN BLADE LUBE PER T/C 78472002. FOUND FAN BLADE SHIM COATING WORN. REPLACED 24 EA FAN BLAMar 30, 2009 · N517AS · Boeing 737890 · Turbine Engine Compressor SectionSDR ASAA0954972Computer · malfunctionedAUTO THROTTLE DOES NOT ENGAGE. A/T LOGGED FAULT NR 22 31501 ON DEFECT LEG 51 TIMES. PERFORMED FIM:22 31/805 A/T CURRENT STATUS TEST SERVO MOTOR TEST & A/C SERVO MOTOR WIRING CHECK ALL NORMAL. REPLACED "A" FCC COMP PRECAUTIONARY REF MM L22 11 33 SOFTWARE CK Mar 29, 2009 · N517AS · Boeing 737890 · Auto Throttle SystemSDR ASAA0954774Servo · faultyAUTO THROTTLES INOP WILL NOT ENGAGE IN ANY MODE. REPLACED NR 1 AUTO THROTTLE SERVO MOTOR PER MM 22 31 91 400 801. OPS NORMAL.Mar 13, 2009 · N517AS · Boeing 737890 · Auto Throttle SystemSDR ASAA0954485Autothrottle Sys · malfunctionedAUTO THROTTLE WILL NOT ARM. PERFORMED GROUND VERIFICATION TEST PER M/M 22 31 00. NO FAULTS NOTED. NO HISTORY LAST 20 DAYS. SEAMC NOTIFIED. OPS NORMAL.Feb 22, 2009 · N517AS · Boeing 737890 · Auto Throttle SystemSDR ASAA0954471Fmc · malfunctionedAFTER PUSHBACK FROM GATE IN SJC, "FMC DISAGREE" ANNUNCIATED. PER QRH AND SEA MX FMC'S WERE REBOOTED AND WARNING NO LONGER DISPLAYED. OPS CHECK NORMAL.Feb 18, 2009 · N517AS · Boeing 737890 · Flight Management Computing Hardware SystemSDR ASAA0954432Controller · faultyAFTER MASTER RECALL ZONE TEMP LIGHT (CONTROL CAB) ILLUMINATES. RESETS WITH MASTER CAUTION. VERIFIED FAULT AS DESCRIBED BY CREW. PERFORMED FIM 21 62 00 810 801. ZONE TEMP 1, NO FAULTS. ZONE TEMP 2 FLT DECK TRIM VALVE FAULT FOUND ON CONTROLLER. RESET BOX AFeb 12, 2009 · N517AS · Boeing 737890 · Cabin Temperature SensorSDR ASAA0954331Valve · failedON RECALL ZONE TEMP. CONT CAB ILLUMINATES EXT. ON RESET GROUNDED YES. VERIFIED ZONE TEMP. CONT. 2 SHOWS ON BIT AND PREV. FLT. FLT. DECK TRIM VALVE FAULT. INSTALLED SERVICEABLE TRIM AIR MODULATING VALVE. REF. AMM 21 61 21. PERFORMED BITE TEST ON PACK / ZONE TFeb 1, 2009 · N517AS · Boeing 737890 · Cabin Cooling SystemSDR ASAA0954327Servo · malfunctionedON RUN UP AUTO THROTTLE SYSTEM INOP AUTO THROTTLES DISCONNECTED WHEN TOGA PUSHED WOULD NOT RECONNECT. GROUNDED YES. R&R A/T SERVO MOTOR NR 1 REF AMM22 31 91. OPS CK NORMAL.Jan 29, 2009 · N517AS · Boeing 737890 · Auto Throttle SystemSDR ASAA0954243Unknown · unknownA/T DISENGAGED WHEN TOGA PRESSED, GROUNDED YES. PERFORMED AUTOTHROTTLE BITE PER FIM 22-31 TASK 801 CURRENT STATUS PASSED. PERFORMED AUTOTHROTTLE SYSTEM TEST PER MM 22-31-00. ALL TEST PASSED NO HISTORY PAST 30 DAYS. OPS NORMAL.Jan 16, 2009 · N517AS · Boeing 737890 · Auto Throttle SystemSDR ASAA0954248Warning Light · malfunctionedNR 2 ENGINE TAI DISAGREEMENT LIGHT REMAINED ILLUMINATED WHEN TAI SELECTED ON. CYCLED TAI BACK OFF THEN ON. BLUE LIGHT WENT DIM. OCCURRED AT FL370 N1 90% OAT 55C NR 1 ENGINE TAI NORMAL. GROUNDED YES. ACCOMPLISHED FIM TASK 30-21-00-810-805. LIGHT STAYS ON BJan 15, 2009 · N517AS · Boeing 737890 · Engine Indicating SystemSDR ASAA0954238Warning System · malfunctionedAPU "FAULT" ANNUNCIATOR ILLUMINATED ON APU START. GROUNDED YES. PERFORMED APU BITE CHECK FOUND FAULT MESS 49 15004 (INLET DOOR SHUTDOWN) PERFORMED FIM TASK 49 10 00 810 806 STEP A THRU STEP E OPERATED APU AT FULL LOAD THRU 5 CYCLES NO CURRENT FAULTS DISPLAYEDJan 14, 2009 · N517AS · Boeing 737890 · APU Indicating SystemSDR ASAA0954236Warning System · malfunctionedAPU "FAULT" ANNUNCIATOR ILLUMINATED ON APU START. LIGHT EXTINGUISHED AFTER 5 MIN. ATTEMPTED APU START AGAIN. "FAULT" LIGHT WAS ILLUMINATED AGAIN. GROUNDED YES. PERFORMED APU BITE PROCEDURE FOUND MX MSG NR 49 15004 INLET DOOR SHUTDOWN. PERFORMED FIM TASK 4Jan 13, 2009 · N517AS · Boeing 737890 · APU Indicating SystemSDR ASAA0954230Engine · oil consumptionNR 2 ENG OIL ETOPS CONSUMPTION RATE ABOVE LIMITS AT .66 REQUIRES TOP DEFERRAL PER MAINT CONTROL. GROUNDED YES. ETOPS OIL CONSUMPTION RATES FOR ENGINE NR 2 IS NOW IN LIMITS. OIL CONSUMPTION RATE IS NOW .13 FOR NR 2 ENGINE.Jan 13, 2009 · N517AS · Boeing 737890 · Engine (Turbine/Turboprop)SDR ASAA0954210Shutoff Valve · obstructedAFTER TAKE OFF AT APPROX 5000 FT MSL NOTICE DUCT PRESS OF 85 PSI ON LT AND 40 PSI ON RT. WHEN THROTTLES CAME BACK TO LEVEL OFF RT PRESS CAME DOWN TO APPROX 70 PSI WENT BACK TO 85 WHEN THROTTLES WENT BACK TO CLIMB POWER. GROUNDED YES. ATB TO SEA TIME 18 MINS.Jan 12, 2009 · N517AS · Boeing 737890 · Pneumatic Distribution SystemSDR ASAA0954208Anti-Ice Valve · stuckENGINE NR 1 ANTI ICE VALVE STUCK CLOSED. GROUNDED YES. VERIFIED ENG NR 1 ANTI ICE VALVE INOP REF MM 30 21 00 710 801. INSTALLED MIG 51 SAFETY TAGS ON OPEN C/B'S AND NR 1 FUEL S/O LEVER 93970. R&R ENGINE COWL TAI VALVE IAW 30 21 11 400 801. ENGINE COWL TAIJan 12, 2009 · N517AS · Boeing 737890 · Air Intake Anti/De-Ice System
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