# Service difficulty reports: JASC 3020 A list on [JASC 3020](https://openairdocs.org/jasc/3020.md). Reports filed under 3020 · Air Intake Anti/De-Ice System, newest first. Page 1 of 33 · 1,643 reports - [SDR AALA202606011943](https://openairdocs.org/sdr/AALA202606011943.md): Relief Valve · failed · May 29, 2026 · N314VB · Boeing 7378 > AIRCRAFT WAS GROUNDED: #1 ENG ANTI-ICE CAUTION ILLUMINATED IN CLIMB AT FL310. LEFT BLEE,D PRESSURE NORMAL AND NO OTHER ASSOCIATED LIGHTS. DECESION MADE TO RETURN TO DFW. EMERGENCY WAS NOT DECLARED AND AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED LEFT - [SDR DALA2026032301953](https://openairdocs.org/sdr/DALA2026032301953.md): Transducer · faulted · Mar 20, 2026 · N329DU · Airbus BD5001A11 > DIV - TO ATL DUE TO "L COWL A/ICE FAIL ON" CAUTION MESSAGE. CORRECTIVE ACTION: PERFORMED VISUAL INSPECTION OF ASSOCIATED WIRING, SENSE LINES, AND CONTINUITY CHECKS FROM THE ENGINE ELECTRONIC CONTROL TO THE UPPER AND LOWER COWL ANTI ICE VALVES. REPLACED LEFT TH - [SDR AALA202602237273](https://openairdocs.org/sdr/AALA202602237273.md): Clamp · missing · Feb 20, 2026 · N466AN · Airbus A321253NX > AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED AND THE AIRCRAFT DIVERTED TO DFW DUE TO THE FLIGHT CREW REPORTING AN ANTI ICE ENGINE 1 VALVE CLOSED ECAM CLIMBING THROUGH FL250. ECAM GOES AWAY WHEN ANTI ICE PUSH BUTTON IS OFF. THE AIRCRAFT LANDED SAFELY AT DFW - [SDR AALA202602232696](https://openairdocs.org/sdr/AALA202602232696.md): Sense Line · loose · Feb 20, 2026 · N466AN · Airbus A321253NX > AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED AND THE AIRCRAFT DIVERTED TO DFW DUE TO THE FLIGHT CREW REPORTING AN ANTI ICE ENGINE 1 VALVE CLOSED ECAM CLIMBING THROUGH FL250. ECAM GOES AWAY WHEN ANTI ICE PUSH BUTTON IS OFF. THE AIRCRAFT LANDED SAFELY AT DFW - [SDR AALA202602039154](https://openairdocs.org/sdr/AALA202602039154.md): Anti-Ice Valve · failed · Feb 2, 2026 · N305UG · Boeing 7378 > AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO: ON TAKEOFF AND DESCENT COWL ANTI-ICE LIGHT ILLUMINATED. AIRCRAFT AIR INTERRUPTED BACK TO AND LANDED SAFELY AT DFW. REMOVE AND REPLACED NUMBER 1 ENGINE INTAKE ANTI-ICE VALVE. PER AMM 30-21-11. - [SDR CALA2025112111377](https://openairdocs.org/sdr/CALA2025112111377.md): Anti-Ice Valve · no discrepancy · Nov 19, 2025 · N14106 · Boeing 757224 > TIA VALVE LIGHT WITH EICAS WHEN THRUST IS BELOW 30 N1 ON TAXI NORMAL INDICATION PER CONDITIONS DESCRIBED. NO FURTHER ACTION NEEDED. IAW AMM 30-21-00. - [SDR IPXA2025111093190](https://openairdocs.org/sdr/IPXA2025111093190.md): Elec Connector · damaged · Nov 10, 2025 · N469UP · Boeing 75724APF > AIR TURN BACK DUE TO RIGHT ENG TAI INOP LIGHT & EICAS MSG. ENG. A/I CHECKLIST WAS RUN W/NO RELIEF. ICING CONDITIONS AT DESTINATION THIS OCCURRED ON CLIMB-OUT. REPLACED CONNECTOR D1318 FOR ENG ANTI-ICE VALVE IRW B757 SWPM 20-60-03. REVERSED DMP 30-21-1-1. PERF - [SDR 2025FA0000385](https://openairdocs.org/sdr/2025FA0000385.md): Cable Assy · debonded · Jun 4, 2025 · N226KM · Cirrus SR20 > ALTERNATE AIR DOOR IS CABLE DRIVEN FROM THE COCKPIT. THE ALTERNATE AIR CABLE IS A STANDARD AVIATION CONTROL CABLE WITH A BLACK SHEATH. THE AIRCRAFT LISTED HAS HAD THE ALTERNATE AIR CABLE REPLACED LESS THAN 100 HOURS AGO. DURING A 100 HOUR INSPECTION THE CABLE - [SDR VNAA2025060211101](https://openairdocs.org/sdr/VNAA2025060211101.md): Control Panel · faulted · Jun 1, 2025 · N725PS · Cndair CL6002C10 > L COWL A/ICE CAUTION. / REMOVED AND REPLACED ANTI-ICE CONTROL PANEL IAW CRJ 700 AMM 30-12-10-000/400-801. L CAIV OPS TEST GOOD; WINDSHIELD HEAT STATUS MESSAGE AND L PITOT HEAT/STATIC HEAT/AOA STATUS MESSAGES APPEARED. REMOVED AND RERACKED DCU 1 IAW CRJ 700 AMM - [SDR DALA2025022301384](https://openairdocs.org/sdr/DALA2025022301384.md): Anti-Ice Valve · inoperative · Feb 22, 2025 · N362NB · Airbus A319114 > SHIP 3162 DISC: SMOKE IN COCKPIT AT THE GATE IN KHOU. ON EXTERNAL POWER ONLY. APU AND ENGINES OFF. TURNED OFF ALL ELECTRICAL POWER AND SMOKE DISSAPATED. NO ECAM OR POPPED CIRCUIT BREAKERS. C/A: T/S SMOKE/FUME EVENT, DURING T/S FOUND C/B W10 #2 ENG ANTIICE POPE - [SDR SWAA2024111859859](https://openairdocs.org/sdr/SWAA2024111859859.md): Clamp · loose · Nov 14, 2024 · N7715E · Boeing 7377BD > ENG 1 OVERHEAT LIGHT AT CLEANUP REDUCED THRUST PER CHECKLIST; LIGHT OUT AFTER APROX 40-50 SECONDS. LANDED REDUCED THRUST; ENGINE INDICATION NORMAL REST OF FLIGHT AND DURING INCIDENT<[01] T/S FOUND #1 ENG TAI VALVE BYPASSING AIR AT AFT CLAMP. RESECURED CLAMP AN - [SDR WUXA2024091700718](https://openairdocs.org/sdr/WUXA2024091700718.md): Link · broken · Sep 17, 2024 · N972LA · Textrn 408 > DURING PRE-FLIGHT PILOT NOTICED ON RH ENGINE INERTIAL SEPARATOR DOOR WAS OUT OF POSITION. MAINTENANCE INSPECTION FOUND BOTH ACTUATING 'SHOCK LINK ASSEMBLY'S" FAILED. THESE LINKS CONNECT THE INERTIAL SEPARATOR DOOR TO THE ACTUATING TORQUE-TUBE. THE ASSEMBLY END - [SDR DALA2024072707521](https://openairdocs.org/sdr/DALA2024072707521.md): Sensor · faulted · Jul 26, 2024 · N511DE · Airbus A321271NX > SHIP 5011 - ATB - TO ATL DUE TO ENG 2 HOT AIR LEAK ECAM MESSAGE. CORRECTIVE ACTION: REPLACED ENG #2 NAI TEMPERATURE SENSOR (4160KS). (LP 5764725) - [SDR DALA2024052305454](https://openairdocs.org/sdr/DALA2024052305454.md): Anti-Ice Valve · inoperative · May 22, 2024 · N923DZ · Boeing 737924ER > SHIP 3923 -DIV- DIVERTED TO DTW DUE TO LEFT ENGINE NOSE COWL ANTI-ICE DISAGREE. CORRECTIVE ACTION: REPLACED LEFT NOSE COWL ANTI-ICE VALVE, RE-SECURED CANNON PLUG AND PERFORMED OPERATIONAL/LEAK CHECK PER B737 AMM 30-21. OPS CHECKS GOOD. (LP 0355097) - [SDR Q5QA20240223003](https://openairdocs.org/sdr/Q5QA20240223003.md): Deice System · cracked · Feb 23, 2024 · N338QD · Pilats PC1245 > DURING A SCHEDULED INSPECTION CRACKING WAS FOUND ON THE AFT SIDE OF THE HEATED LIP ASSEMBLY, THE CRACKING WAS IDENTIFIED BY VISUAL INSPECTION. THE PILATUS PC-12 REPAIR INVOLVES REPLACEMENT OF THE ENTIRE HEATED ANTI-ICE LIP ASSEMBLY P/N 530.24.12.151, OR P/N 53 - [SDR SWIA202402050002](https://openairdocs.org/sdr/SWIA202402050002.md): Warning Message · activated · Feb 2, 2024 · N471CA · Cndair CL6002B19 > ANTI ICE DUCT WARNING MESSAGE. (FLIGHT 5050 FILED CLOSED)UPON ARRIVAL TO AIRCRAFT, SPOKE WITH CAPTAIN AND HE MENTIONED THAT AFTER RUNNING QRH THE MESSAGE EXTINGUISHED. BUT AS SOON AS HE TURNED ON WING A/I THE ANTI ICE DUCT WARNING APPEARED AND ON EICAS A/I PA - [SDR FDEA202401190089](https://openairdocs.org/sdr/FDEA202401190089.md): Anti-Ice Valve · inoperative · Jan 19, 2024 · N591FE · Doug MD11F > CLIMBING OUT, WE TURNED ON ALL ANTI-ICE SYSTEMS ENTERING CLOUDS. HAD AN AMBER TAIL ANTI- DISAG WARNING N EIS, FOLLOWED SHORTLY BY LEVEL 2 TAIL A-ICE DISAG. RAN QRH, TURNED OFF SYSTEM AND RETURNED TO DEPARTURE BASE. REPEAT WRITE UP. REMOVED AND REPLACED HO - [SDR Q5QA20240104001](https://openairdocs.org/sdr/Q5QA20240104001.md): Plate · cracked · Jan 4, 2024 · N567QD · Pilats PC1245 > DURING A SCHEDULED INSPECTION IT WAS NOTED THAT THERE WAS EXHAUST GAS STREAKING IN THE ENGINE INLET COMING FROM THE AFT EDGE OF THE STAINLESS STEEL HEATED DEICE LIP. UPON FURTHER INVESTIGATION IT WAS FOUND THAT THE HEATED DEICE LIP WAS CRACKED AROUND THE SUPP - [SDR SWI2024F00000](https://openairdocs.org/sdr/SWI2024F00000.md): Unknown · warning message · Dec 30, 2023 · N724EV · Cndair CL6002C10 > L COWL A/I CAUTION MESSAGE WHEN USING THE COWL ANTI ICE. DID THE QRH THOUGH IT CLEARED ON ITS OWN. (FILED CLOSED)UPON ARRIVAL TO AIRCRAFT FOUND L COWL A/I VALVE OPEN CAUTION MESSAGE WITHOUT VALVE BEING COMMANDED AND DURING OPERATIONAL CHECKS OF L COWL A/I VALV - [SDR DALA2023112709727](https://openairdocs.org/sdr/DALA2023112709727.md): Unknown · unknown · Nov 26, 2023 · N343NB · Airbus A319114 > SHIP 3143 -DIV- TO PHX DUE TO ANTI ICE ENG2 VALVE CLSD ECAM MESSAGE. CORRECTIVE ACTION: T/S. NO FAULTS. FOUND HARD LINE SNAPPED OFF AT THE B-NUT. REPLACED HARD SENSE LINE FOR ANTI-ICE VALVE. (4278924) - [SDR 2023FA0000787](https://openairdocs.org/sdr/2023FA0000787.md): Valve · inoperative · Nov 19, 2023 · Boeing 73733R > ENGINE NUMBER 2 COWL VALVE OPEN LIGHT, BRIGHT BLUE WITH ENGINE ANTI ICE SWITCH ON - [SDR SWIA2023102706](https://openairdocs.org/sdr/SWIA2023102706.md): Unknown · warning message · Oct 26, 2023 · N831SK · Cndair CL6002D24 > L COWL A/I CAUTION MESSAGE WHEN SELECTING LEFT COWL ANTI-ICE OFF. COMPLIED WITH QRH, MESSAGE STILL PERSISTED WITH COWL ANTI-ICE SELECTED OFF. (FILED CLOSED)TROUBLESHOT L COWL A/I CAUTION IN REFERENCE TO FIM 30-22-01. REMOVED AND REPLACED LH CAI VALVE IN REFERE - [SDR ASAA2023082844830](https://openairdocs.org/sdr/ASAA2023082844830.md): Valve · faulty · Aug 28, 2023 · N491AS · Boeing 737990ER > AMBER TAI INDICATION ABOVE #2 N1 GAUGE. GROUNDED - YES. CREW STATED THEY DID NOT OPERATE EITHER ENG COWL ANTI-ICE VALVES DURING THIS PARTICULAR FLIGHT. SUSPECT OVERPRESSURE COND DURING ENG OPERATION. PERFORMED OPS CHECK ON #2 ENG COWL ANTI-ICE VALVE VIA APU BL - [SDR CALA2023090402700](https://openairdocs.org/sdr/CALA2023090402700.md): Shutoff Valve · locked · Aug 21, 2023 · N23983 · Boeing 7879 > EAI PRSOV L ADVISORY. LEFT ENGINE ANTI-ICE (EAI) PRSOV FAILURE. FIM TASK REF: 31-90-F8-01A-421B-A. CMC MSG# 3010011 FLIGHT STATUS: L INTERMITTENCE CODE: M PH: CRUISE NARRATIVE: 30 WWFDS EAI CIPS OPS (LEFT). LEFT ENGINE ANTI ICE VALVE PRSOV PHOTO ADDED LOCKED - [SDR ASAA2023081744659](https://openairdocs.org/sdr/ASAA2023081744659.md): Unknown · unknown · Aug 17, 2023 · N457AS · Boeing 737990ER > DURING ACCOMPLISHMENT OF TC N2471001 (RIGHT INLET COWL (GV) FOUND #2 ENGINE TAI DUCT CRACKED. GROUNDED - YES. ON DEFERRAL. - [SDR ASAA2023081444593](https://openairdocs.org/sdr/ASAA2023081444593.md): Unknown · unknown · Aug 14, 2023 · N562AS · Boeing 737890 > #1 ENGINE "COWL VALVE OPEN" LIGHT ILLUMINATED BRIGHT BLUE AND AMBER "TAI" ON ENGINE DISPLAY AFTER TURNING ENGINE ANTI-ICE OFF ON APPROACH. GROUNDED - YES. PERFORMED ENGINE COWL ANTI-ICE OPERATIONAL TEST. CYCLED ENGINE ANTI-ICE SEVERAL TIMES WITH NORMAL INDICAT - [SDR IXXA2023081001](https://openairdocs.org/sdr/IXXA2023081001.md): Duct · cracked · Aug 10, 2023 · N395CM · Boeing 767323 > #2 PYLON ACCESS 441AT AFT T.A.I. DUCT SUPPORT COLLAR CRACKED AT BULKHEAD PASS THRU. - [SDR ASAA2023071243995](https://openairdocs.org/sdr/ASAA2023071243995.md): Unknown · unknown · Jul 12, 2023 · N586AS · Boeing 737890 > NO.2 ENG ANTI-ICE WHEN TURNING OFF GOES BRIGHT BLUE THEN INSTEAD OF OFF GOES DIM BLUE AND HAS BEEN FLICKERING DIM BLUE THE ENTIRE FLIGHT EVEN AFTER CYCLING. GROUNDED - YES. ON DEFERRAL. - [SDR ASAA2023070243836](https://openairdocs.org/sdr/ASAA2023070243836.md): Unknown · unknown · Jul 2, 2023 · N586AS · Boeing 737890 > ENGINE ANTI ICE COWL VALVE OPEN LIGHT DIM AND FLICKERING IN CLOSED POSITION TAI OPERATES AS NORMALLY INDICATED. GROUNDED - YES. ON DEFERRAL. - [SDR ASAA2023062943834](https://openairdocs.org/sdr/ASAA2023062943834.md): Unknown · unknown · Jun 29, 2023 · N532AS · Boeing 737890 > #2 ENGINE COWL ANTI-ICE INDICATION. GROUNDED - YES. ON DEFERRAL. - [SDR ASAA2023062443705](https://openairdocs.org/sdr/ASAA2023062443705.md): Unknown · unknown · Jun 24, 2023 · N586AS · Boeing 737890 > #2 COWL VALVE OPEN LT ON DIM WITH SWITCH OFF,CYCLED SWITCH AND NORMAL INDICATIONS SHOWN LIGHT FLICKERS VERY DIM. GROUNDED - YES. NO LT ILLUMINATED AT OVRHD. PTT CHKS GOOD. MASTER TEST DIM CHKS GOOD. PERFORMED ENG COWL ANTI-ICE OPS TEST IAW AMM 30-21-00-710-80 - [SDR ASAA2023061343559](https://openairdocs.org/sdr/ASAA2023061343559.md): Valve · faulty · Jun 13, 2023 · N457AS · Boeing 737990ER > ENGINE #1 COW VALVE OPEN LIGHT ILLUMINATED WITH TAI AMBER WITH ENGINE ANTI ICE SELECTED ON. GROUNDED - YES. REMOVED AND REPLACED #1 ENG COWL VALVE REF B737-900 AMM 30-21-11. - [SDR SWAA2023061458591](https://openairdocs.org/sdr/SWAA2023061458591.md): Switch · incorrect · Jun 12, 2023 · N785SW · Boeing 7377H4 > #1 COWL VALVE OPEN LIGHT ILLUMINATED BRIGHT BLUE WITH #1 ENG ANTI ICE SWITCH OFF AMBER TAI LIGHT WAS NOT ILLUMINATED<[01] FOUND WITH SWITCH OFF- PIN12/D462 OPEN; (SHOULD BE GRN). FOUND GOOD CONTINUITY PIN4/DP1303 TO PIN12/D462. FOUND GOOD CONTINUITY PIN 4 TO 5 - [SDR ASAA2023061043522](https://openairdocs.org/sdr/ASAA2023061043522.md): Unknown · unknown · Jun 10, 2023 · N593AS · Boeing 737890 > DURING DESCENT COWL VALVE OPEN LIGHT REMAINED BRIGHT BLUE WITH AMBER TAI INDICATION ON #1 ENGINE AFTER ANTI - ICE SWITCH POSITIONS TO OFF. GROUNDED - YES. ENGINE ANTI ICE VALVE STUCK OPEN, CYCLED ANTI ICE VALVE. ENGINE RUN COMPLETED. ANTI ICE VALVE AND SWITCH - [SDR HNAA2023050200149](https://openairdocs.org/sdr/HNAA2023050200149.md): Unknown · unknown · May 1, 2023 · N658AE · Emb EMB145LR > WITH E2 A/I VALVE ON MEL E2 A/I FAIL ON EICAS MSG DISPLAYED WHEN IN ICE CONDITION, AND OVERRIDE KNOB IN ENG OR ALL POSITION FACT 01MAY23 20:57 PHL R&R'S E2 A/I VALVE IN REFERENCE TO AMM 30-21-01 R&R'S E2 A/I PRESSURE TRANSDUCER IN REFERENCE TO AMM 30-21-0 - [SDR ASAA2023042242964](https://openairdocs.org/sdr/ASAA2023042242964.md): Unknown · unknown · Apr 22, 2023 · N428AS · Boeing 737990ER > ENG ANTI-ICE #2 COWL VALVE OPEN LIGHT (BLUE) STAYS ON WITH SWITCH OFF, WITH CORRESPONDING AMBER TAI ON THE ENGINE DISPLAY. GROUNDED - YES. OPERATED #2 ENG COWL ANTI-ICE VALVE MANUALLY & PERFORMED OPERATIONAL TEST IAW B737-900 AMM 30-21-00-710-801. OPS CHECK GO - [SDR ASAA2023041642904](https://openairdocs.org/sdr/ASAA2023041642904.md): Anti-Ice Valve · faulty · Apr 16, 2023 · N975AK · Boeing 7379 > ON TO ROLL AT APPROXIMATELY 60 KTS LEFT COWL ANTI ICE CAUTION ILLUMINATED. REJECTED TAKEOFF ROLL. GROUNDED - YES. REMOVED AND REPLACED #1 ENG ANTI ICE VALVE REF B737-9 AMM 30-21-11-000/400-801 AND B737-9 IFIM 30-21-00-810-811 OPS CHECKED GOOD AND NO LEAKS NOTE - [SDR ASAA2023041342884](https://openairdocs.org/sdr/ASAA2023041342884.md): Unknown · unknown · Apr 13, 2023 · N431AS · Boeing 737990ER > ENGINE CONTROL #2 CIRCUIT BREAKER POPPED BEHIND CAPTAIN SEAT ON P18 (A-6) LOCATION (ENGINE ANTI-ICE CONTROL). GROUNDED - YES. RESET ANTI ICE AND RAIN CONTROL ENGINE 2 CIRCUIT BREAKER. REF B737-900 AMM 20-60-01. NOT DEFECTS NOTED. PERFORMED OPS CHECK OF ENGINE - [SDR ASAA2023041142822](https://openairdocs.org/sdr/ASAA2023041142822.md): Unknown · unknown · Apr 11, 2023 · N563AS · Boeing 737890 > R COWL ANTI ICE VALVE STUCK IN TRANSIT. AMBER TAI LIGHT. GROUNDED - YES. ACCOMPLISHED A #2 ENGINE COWL TAI VALVE OP-CHECK PER B737-800 AMM 30-21-11. ALL TESTS NORMAL. ALSO VERIFIED NO LEAKS AT VALVE. ALL INDICATIONS NORMAL DURING TEST. AC HAS NO SIMILAR HAS NO - [SDR ASAA2023040142669](https://openairdocs.org/sdr/ASAA2023040142669.md): Unknown · unknown · Apr 1, 2023 · N407AS · Boeing 737900ER > ENGINE AND WING CONTROL CIRCUIT BREAKER POPPED. GROUNDED - YES. RESET CB CONTROL PANEL OPS TEST NORMAL REF B737-900 WDM 30-21-11 AND B737-900 AMM 20-60-01. - [SDR DALA2023032302265](https://openairdocs.org/sdr/DALA2023032302265.md): Unknown · unknown · Mar 21, 2023 · N572DZ · Airbus A350941 > SHIP 3572 - ATB - DUE TO NBR 1 ENGINE ANTI-ICE VALVE FAILED CLOSED ECAM MESSAGE. CORRECTIVE ACTION: LOCKED PRSOV IN THE OPEN POSITION AND DEFERRED PER MEL 30-21-02A. REPLACED PRV ANTI-ICE VALVE. (LP 4164867) - [SDR ASAA2023031942431](https://openairdocs.org/sdr/ASAA2023031942431.md): Unknown · unknown · Mar 19, 2023 · N516AS · Boeing 737890 > LEFT ENGINE ANTI-ICE VERY SLOW TO CLOSE. GROUNDED - YES. LEFT HAND ENG ANTI-ICE VALVE OPS CHECKED NORMAL AND OPERATED WITHIN ACCEPTABLE TIME PERIOD REF B737-800 FIM 30-21 TASK 803 AND B737-800 AMM 30-21-11. - [SDR ASAA2023030642212](https://openairdocs.org/sdr/ASAA2023030642212.md): Unknown · unknown · Mar 6, 2023 · N594AS · Boeing 737890 > #1 ENGINE COWL VALVE FAILED IN CLOSED POSITION. BLUE LIGHT STAYS ON IN ON POSITION OF SWITCH. GROUNDED - YES. FLT CREW REPORTS #1 ENG COWL VALVE STARTED WORKING ON SEVERAL CYCLES OF VALVE, DID NOT FAIL. PERFORMED B737-800 FIM 30-21 TASK 805. OPS CK GOOD. - [SDR ASAA2023030442180](https://openairdocs.org/sdr/ASAA2023030442180.md): Sensor · faulty · Mar 4, 2023 · N948AK · Boeing 7379 > #1 ENGINE ENG ANTI ICE COWL VALVE LIGHT ILLUMINATED TWICE. TURNED OFF WENT OUT. TURNED ON CAME BACK. GROUNDED - YES. CHECKED OMF FOR ANY EXISTING FAULT AND FOUND NO RELATED MAINT MSG. ACCOMPLISHED B737-9 IFIM TASK 30-21-00-810-807 COWL ANTI-ICE VALVE TEST GOOD - [SDR ASAA2023030442179](https://openairdocs.org/sdr/ASAA2023030442179.md): Unknown · unknown · Mar 4, 2023 · N534AS · Boeing 737890 > AFTER START #1 ENGINE ANTI-ICE COWL VALVE LIGHT ILLUMINATED BRIGHT WITH AMBER TAI INDICATION. CYCLED SWITCH AT TAXI POWER 30% N1 AND 50% N1. NO CHANGE. FOLLOWED QRH. GROUNDED - YES. REFERENCE B737-800 WDM 30-21-11, FOUND #1 ENGINE COWL ANTI-ICE VALVE CONNECTOR - [SDR ASAA2023022342072](https://openairdocs.org/sdr/ASAA2023022342072.md): Valve · faulty · Feb 23, 2023 · N948AK · Boeing 7379 > LEFT COWL ANTI-ICE MASTER CAUTION ILLUMINATED AT 90 KTS ON TAKEOFF ROLL. EXTINGUISHED ON ITS OWN CLIMBING THROUGH 2000 FT. GROUNDED - YES. REMOVED ENGINE ANTI ICE VALVE PER B737-9 AMM 30-21-11-000-801. INSTALLED LH COWL ANTI ICE VALVE UP TO AMM 32-21-11-400-80 - [SDR ASAA2023022042024](https://openairdocs.org/sdr/ASAA2023022042024.md): Valve · faulty · Feb 20, 2023 · N513AS · Boeing 737890 > #2 ENG ANTI-ICE VALVE DISAGREEMENT LIGHT CAME ON DESPITE REPEATED ATTEMPTS AT DIFFERENT POWER SETTINGS. GROUNDED - YES. PERFORMED B737-800 FIM 30-21 TASK 805 FOUND ENG ANTI ICE VALVE TO BE BAD. REMOVED AND REPLACED #2 ENGINE ANTI ICE VALVE REF B737-800 AMM 30- - [SDR SWIA20230209](https://openairdocs.org/sdr/SWIA20230209.md): Unknown · warning message · Feb 9, 2023 · N162PQ · Cndair CL6002D24 > ANTI ICE DUCT WARNING MESSAGE WHICH TURNED TO A CAUTION MESSAGE DURING APPROACH. ANTI ICE WAS SELECTED ON WHEN MESSAGE OCCURRED. (FLIGHT 3540 FILED CLOSED)PERFORMED OPERATIONAL TEST OF THE BLEED-AIR LEAK-DETECTION AND WARNING SYSTEM IN REF TO CRJ900 AMM 36-21- - [SDR ASAA2023020841879](https://openairdocs.org/sdr/ASAA2023020841879.md): Valve · faulty · Feb 8, 2023 · N938AK · Boeing 7379 > DURING TAKEOFF WITH POWER SET, ANTI-ICE MASTER CAUTION ILLUMINATED. AFTER A FEW SECONDS THE LIGHT EXTINGUISHED. APPEARED TO BE AN ENGINE ANTI-ICE MASTER CAUTION. GROUNDED - YES. DUE TO HISTORY ON THE #1 ENGINE ANTI-ICE, REMOVED AND REPLACED THE #1 ENGINE ANTI- - [SDR ASAA2023020241775](https://openairdocs.org/sdr/ASAA2023020241775.md): Not Reported · failed · Feb 2, 2023 · N559AS · Boeing 737890 > LEFT COWL ANT-ICE FAILED IN CLOSED POSITION. GROUNDED - YES. REMOVED AND REPLACED #1 COWL ANTI-ICE VALVE REF AMM 30-21-11. Next page: https://openairdocs.org/jasc/3020/reports.md?page=2 ## The whole list in SQL Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS: ```sql 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 = '3020' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/jasc/3020/reports --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.