# Service difficulty reports: Pratt & Whitney Canada PW126A

A list on [Pratt & Whitney Canada PW126A](https://openairdocs.org/engine/pratt-whitney-canada-pw126a.md).

Newest first. General aviation reporting is voluntary.

Page 1 of 2 · 75 reports

- [SDR CA140630001](https://openairdocs.org/sdr/CA140630001.md): Fuel Control · malfunctioned · Jun 2, 2014 · Bag ATP · Fuel Control/Turbine Engines
  > (CAN) DURING APPROACH, THE LT ENGINE LOST POWER AND THE CREW ELECTED TO SHUT IT DOWN BEFORE MAKING AN UNEVENTFUL SINGLE ENGINE LANDING. POST FLIGHT TROUBLESHOOTING REVEALED A FRACTURED P3 LINE, PRE-SB21708. ENGINE MFG WILL INVESTIGATE TO ESTABLISH ROOT CAUSE
- [SDR CA140602023](https://openairdocs.org/sdr/CA140602023.md): Engine · flamed out · May 23, 2014 · Bag ATP · Engine (Turbine/Turboprop)
  > (CAN) IN THE CLIMBOUT, THE FLIGHT ENCOUNTERED SOME ICE AND TO TURBURLENCES AND THE LT ENGINE SUDDENLY FLAMED OUT. AUTO RE-LIGHT ACTIVATED END THE ENGINE RE-LIT PERFECTLY WITH NO ABNORMAL INDICATIONS.
- [SDR CA131216010](https://openairdocs.org/sdr/CA131216010.md): Engine · power loss · Dec 11, 2013 · Bag ATP · Engine (Turbine/Turboprop)
  > (CAN) ON CLIMBING, WHEN PASSING FL70, ENGINE TORQUE STARTED TO FLUCTUATE INDUCING LARGE YAW MOMENTS. THE CREW IMMEDIATELY REDUCED ENGINE POWER AND LEVELED OFF ACFT AT FL80. AS BRIEFED, CREW CONTINUED TO SHUTDOWN THE ENGINE, PERFORMED APPLICABLE EMERGENCY CHE
- [SDR CA120827010](https://openairdocs.org/sdr/CA120827010.md): Engine · failed · Aug 21, 2012 · Engine (Turbine/Turboprop)
  > (CAN) DURING A DOMESTIC REVENUE FLIGHT, A LOUD BANG WAS REPORTEDLY HEARD AND ITT INCREASE BEFORE THE ENGINE WAS SHUTDOWN BY THE CREW.
- [SDR CA090911011](https://openairdocs.org/sdr/CA090911011.md): Engine · seized · Aug 21, 2009 · Engine (Turbine/Turboprop)
  > (CAN) ON TAKEOFF ROLL ENGINE TEMPERATURE WAS SEEN TO INCREASE AND TAKEOFF WAS ABORTED. SUBSEQUENT INSPECTION INDICATED SEIZURE OF ALL ROTORS. THE ENGINE WILL BE INVESTIGATED TO ESTABLISH CAUSE. (TC# 20090911011)
- [SDR CA080711010](https://openairdocs.org/sdr/CA080711010.md): Connector · contaminated · Jul 5, 2008 · Bag ATP · Engine Indicating System Wiring
  > (CAN) DURING FLIGHT, THE ENGINE TORQUE STARTED TO FLUCTUATE BETWEEN 60% TO 120% AND THE ENGINE SHUT ITSELF DOWN. TROUBLESHOOTING REVEALED HEAVY CONTAMINATION ON 1 OF THE CONNECTORS OF THE ENGINE ELECTRONIC CONTROL. THE CONNECTOR WAS CLEANED, GROUND RUN PERFORM
- [SDR CA080814001](https://openairdocs.org/sdr/CA080814001.md): Engine · flamed out · Jul 3, 2008 · Bag ATP · Engine (Turbine/Turboprop)
  > (CAN) THE ENGINE FLAMED OUT AND THEN RELIT (AUTO RELIGHT) WITHIN 2 SEC. THE OCCURRENCE HAPPENED APPROXIMATELY 10 MIN. AFTER ENCOUNTERING SEVERE WEATHER INCLUDING HAIL AND MODERATE TURBULENCE. THE FLIGHT CONTINUED TO DESTINATION WITHOUT FURTHER PROBLEMS. POST F
- [SDR CA070914003](https://openairdocs.org/sdr/CA070914003.md): Tube · fractured · Jul 18, 2007 · Bag ATP · Fuel Controlling System
  > (CAN) THE ENGINE SHUTDOWN UNCOMMANDED IN CRUISE. SUBSEQUENT INSPECTION REVEALED A FRACTURED FUEL CONTROL P3 AIR SUPPLY TUBE. (TC NR 20070914003)
- [SDR CA061219014](https://openairdocs.org/sdr/CA061219014.md): Seal · leaking · Nov 9, 2006 · Bag ATP · Propeller Assembly
  > (CAN) DURING CRUISE, THE ENGINE OIL PRESSURE BEGAN TO FLUCTUATE IN THE RED BAND. THE ENGINE WAS SHUTDOWN IN FLIGHT AND THE AIRCRAFT RETURNED TO POINT OF DEPARTURE. SUBSEQUENT INSPECTION REVEALED A LEAK AT THE PROP SHAFT OIL SEAL. MFG WILL INVESTIGATE THE EVE
- [SDR FDKA200608207](https://openairdocs.org/sdr/FDKA200608207.md): Engine · lack of lube · Aug 15, 2006 · N803LR · Dhav DHC8102 · Turbine Engine Oil System
  > FDM 6179 ALB. THE AIRCRAFT ABORTED TAKEOFF DUE TO A NR 1 ENGINE OIL PRESSURE WARNING. CONTRACT MX SERVICED NR 1 ENGINE WITH 3 QUARTS OF OIL. PERFORMED ENGINE RUNS. NO DEFECTS NOTED.
- [SDR CA060410006](https://openairdocs.org/sdr/CA060410006.md): Cylinder · corroded · Apr 6, 2006 · Main Landing Gear Strut/Axle/Truck
  > AT DISASSEMBLY BY FIRST AIR MAINTENANCE SERVICES (EASA APPROVAL NR 145-7030) THE OUTER CYLINDER WAS FOUND TO HAVE SEVERE CORROSION, VIRTUALLY PERFORATED AND ASSESSED AS INELIGIBLE FOR RETURN TO SERVICE. THE RECORDS INDICATE THE LANDING GEAR ASSEMBLY WAS REMOV
- [SDR CA051006010](https://openairdocs.org/sdr/CA051006010.md): Cooler · damaged · Sep 12, 2005 · Bag ATP · Engine Fuel/Oil Cooler
  > (CAN) THE ENGINE LOW OIL PRESSURE WARNING ANNUNCIATED AND THE ENGINE WAS SHUTDOWN IN FLIGHT. SUBSEQUENT INSPECTION REVEALED THE PRESENCE OF FUEL IN THE ENGINE OIL TANK. THE ENGINE FCOC WAS REPLACED AND THE AIRCRAFT RETURNED TO SERVICE.
- [SDR CA050621016](https://openairdocs.org/sdr/CA050621016.md): Engine · shutdown · Jun 14, 2005 · Bag ATP · Engine (Turbine/Turboprop)
  > (CAN) THE ENGINE EXPERIENCED AN IN-FLIGHT SHUTDOWN UNDER UNKNOWN CIRCUMSTANCES. MFG WILL MONITOR THE INCIDENT AND ADVISE OF ROOT CAUSE, ONCE DETERMINED.
- [SDR QXEA200500837](https://openairdocs.org/sdr/QXEA200500837.md): Valve · sticking · May 3, 2005 · N352PH · Dhav DHC8202 · Compressor Bleed Control
  > PDX - AFTER TAKEOFF WITH BLEEDS ON AND HEAT IN A WARM SETTING, COULD SMELL ODOR AND SMOKE DETECTOR IN LAVATORY WENT OFF, FLIGHT ATTENDANT RESET ALARM ONCE, SMOKE DETECTOR CAME BACK ON. TURNED HEAT DOWN, ODOR WENT AWAY AND FLIGHT ATTENDANT RESET AGAIN. MAINTE
- [SDR UF6A991201](https://openairdocs.org/sdr/UF6A991201.md): Oil Cap · dislodged · Dec 4, 1999 · N859AW · Bag ATP · Turbine Engine Oil System
  > ORD - FLT 5712 - THE NR 2 ENGINE LOW PRESSURE ILLUMINATED AND PRESSURE DROPPED BELOW RED LINE. NR 2 ENGINE WAS SHUT DOWN. MAINTENANCE INSPECTED AND FOUND OIL CAP DISLODGED. OIL CAP WAS REPLACED. SYSTEM OPS CHECKED GOOD. (X)
- [SDR UF6A991103](https://openairdocs.org/sdr/UF6A991103.md): Filter · dirty · Nov 4, 1999 · N858AW · Bag ATP · Turbine Engine Oil System
  > CAK - FLT 5712 - THE NR 1 ENGINE OIL FILTER CWP ILLUMINATED DURING TAKEOFF. MAINTENANCE REMOVED AND REPLACED THE OIL PRESSURE AND SCAVENGE FILTERS. POWER ASSURANCE RUNS WERE PERFORMED AND ALL PARAMETERS WERE FOUND TO BE WITHIN LIMITS. (M)
- [SDR UF6A991016](https://openairdocs.org/sdr/UF6A991016.md): Fuel Control · failed · Oct 12, 1999 · N859AW · Bag ATP · Fuel Control/Turbine Engines
  > SBN - FLT 5751 - DURING CRUISE, THE NR 1 ENGINE TORQUE BEGAN TO SURGE PLUS/MINUS 5 PERCENT. TORQUE PEAKED AT 120 PERCENT FOR 1 SECOND THEN ROLLED BACK TO 0 PERCENT. ENGINE WAS SHUTDOWN. MAINTENANCE REMOVED AND REPLACED THE NR 1 MFC. POWER ASSURANCE RUNS WE
- [SDR UF6A991010](https://openairdocs.org/sdr/UF6A991010.md): Filter · dirty · Oct 3, 1999 · N851AW · Bag ATP · Turbine Engine Oil System
  > ORD - FLT 5715 - ON TAKEOFF ROLL, THE NR 1 ENGINE OIL FILTER CWP ILLUMINATED. MAINTENANCE REMOVED AND REPLACED THE LP AND HP FILTERS. POWER ASSURANCE RUNS WERE PERFORMED AND ALL PARAMETERS WERE FOUND TO BE WITHIN LIMITS. (M)
- [SDR UF6A990802](https://openairdocs.org/sdr/UF6A990802.md): Fuel Control · failed · Aug 7, 1999 · N854AW · Bag ATP · Fuel Control/Turbine Engines
  > CWA - FLT 5716 - THE NR 2 ENGIEN WENT TO 120.4 PERCENT AND REMAINED THERE AFTER TAKEOFF. MAINTENANCE REMOVED AND REPLACED THE NR 2 MECHANICAL FUEL CONTROL. SYSTEM OPS CHECKED GOOD. (M)
- [SDR UF6A990756](https://openairdocs.org/sdr/UF6A990756.md): Engine · failed · Jul 21, 1999 · N854AW · Bag ATP · Engine (Turbine/Turboprop)
  > SBN - FLT 5762 - ITT EXCEEDED 800 DEGREES DURING CLIMB. MAINTENANCE REMOVED AND REPLACED THE NR 1 ENGINE. SYSTEM OPS CHECKED GOOD. (M)
- [SDR UF6A990708](https://openairdocs.org/sdr/UF6A990708.md): Reduct Gearbox · failed · Jul 8, 1999 · N851AW · Bag ATP · Turbine Engine Reduction Gear
  > SBN - THE NR 2 REDUCTION GEARBOX OIL ANALYSIS IS SHOWING A HIGH CONCENTRATION OF METAL. MAINTENANCE REMOVED AND REPLACED THE NR 2 REDUCTION GEAR BOX. SYSTEM OPS CHECKED GOOD. (M)
- [SDR UF6A990704](https://openairdocs.org/sdr/UF6A990704.md): Reduct Gearbox · contaminated · Jul 3, 1999 · N854AW · Bag ATP · Turbine Engine Reduction Gear
  > SBN - THE NR 2 REDUCTION GEARBOX OIL ANALYSIS IS SHOWING A HIGH CONCENTRATION OF METAL. MAINTENANCE REMOVED AND REPLACED THE NR 2 REDUCTION GEARBOX. SYSTEM OPS CHECKED GOOD. (M)
- [SDR UF6A990623](https://openairdocs.org/sdr/UF6A990623.md): Seals · failed · Jun 30, 1999 · N851AW · Bag ATP · Propeller Controlling System
  > GRB - THE NR 2 PROP CWP ILLUMINATED WHEN POWER WAS ADVANCED ON TAKEOFF AND LEFT ENGINE WENT INTO UNCOMMANDED REVERSE DURING ABORTED TAKEOFF. MAINTENANCE REMOVED PROP TRANSFER TUBE SEALS. PERFORMED CHECK OF PROP SYNC SYSTEM AND RAN BOTH ENGINES TO 85 PERCENT
- [SDR UF6A990611](https://openairdocs.org/sdr/UF6A990611.md): Engine · failed · Jun 12, 1999 · N856AW · Bag ATP · Engine (Turbine/Turboprop)
  > ORD - FLT 5708 - DURING CLIMB, THERE WAS A LOUD POP FROM THE LEFT SIDE. IMMEDIATELY THE NR 1 ENGINE OIL PRESSURE, ENGINE CONTROL CWP ILLUMINATED WITH NR 1 ENGINE FROZEN PBSI ILLUMINATING. SHORTLY FOLLOWING THE NR 1 ENGINE ASSOCIATED ELECTRICAL CWP'S ILLUMINA
- [SDR UF6A990556](https://openairdocs.org/sdr/UF6A990556.md): Engine · smoking · May 17, 1999 · N855AW · Bag ATP · Engine (Turbine/Turboprop)
  > ORD - FLT 5702 - SMOKE EMANATING FROM THE NR 2 ENGINE ON TAXI IN FROM LANDING. MAINTENANCE PERFORMED DRY MOTOR OF ENGINE AND NORMAL ENGINE RUNS WITH NO DEFECTS NOTED. SYSTEM OPS CHECKED GOOD. (M)
- [SDR UF6A990524](https://openairdocs.org/sdr/UF6A990524.md): Filter · dirty · May 8, 1999 · N851AW · Bag ATP · Turbine Engine Oil System
  > PIA - FLT 5745 - NR 1 ENGINE OIL FILTER CWP ILLUMINATED DURING TAKEOFF ROLL. MAINTENANCE REMOVED AND REPLACE THE NR 1 ENGINE MAIN OIL PRESSURE AND SCAVENGE FILTER. SYSTEM OPS AND LEAK CHECKED GOOD. (M)
- [SDR UF6A990526](https://openairdocs.org/sdr/UF6A990526.md): Engine · smoking · May 8, 1999 · N852AW · Bag ATP · Engine (Turbine/Turboprop)
  > CWA - FLT 5734 - ON SHUTDOWN, THE NR 1 ENGINE WAS EMITTING BLUE SMOKE FORM SIDES OF COWLING DURING OPERATION OF THE FEATHER LEVERS. THIS OCCURRED UNTIL ENGINE SHUTDOWN AT WHICH TIME FUEL WAS OBSERVED DRAINING FROM FUEL VENT ON RIGHT SIDE OF COWLING. MAINTENA
- [SDR 99ZZZM793](https://openairdocs.org/sdr/99ZZZM793.md): Tube · damaged · May 6, 1999 · N857AW · Bag ATP · Engine Fuel Distribution
  > SBN - LEFT AND RIGHT FUEL SUPPLY TUBES HAS SEVERAL DENTS. MAINTENANCE REMOVED AND REPLACED TUBES. (M)
- [SDR UF6A990532](https://openairdocs.org/sdr/UF6A990532.md): Tube · damaged · May 6, 1999 · N857AW · Bag ATP · Engine Fuel Distribution
  > SBN - LEFT AND RIGHT FUEL SUPPLY TUBES HAS SEVERAL DENTS. MAINTENANCE REMOVED AND REPLACED TUBES. (M)
- [SDR UF6A990317](https://openairdocs.org/sdr/UF6A990317.md): Connector · contaminated · Mar 25, 1999 · N859AW · Bag ATP · Fuel Controlling System
  > ORD - FLT 5742 - NR 1 ENGINE TORQUE NH AND NL OCCILATES DURING CLIMB. MAINTENANCE INSPECTED THE NR 1 ENGINE RIGGING AND CLEANED THE EEC CONNECTIONS. PERFORMED POWER ASSURANCE RUNS. NO DEFECTS NOTED. (M)
- [SDR UF6A990122](https://openairdocs.org/sdr/UF6A990122.md): Eec · malfunctioned · Jan 29, 1999 · N859AW · Bag ATP · Fuel Controlling System
  > GRB - FLT 5738 - ON TAKEOFF, NR 1 ENGINE TORQUE DECREASED BY APPROXIMATELY 20 PERCENT. FURTHER POWER LEVEL INCREASES HAD NO EFFECT. MAINTENANCE CLEARED THE NR 1 EEC AND PERFORMED NUMEROUS POWER ASSURANCE RUNS IN TAKEOFF CONFIGURATION FOR 3 MINUTES EACH IAW P
- [SDR UF6A980520](https://openairdocs.org/sdr/UF6A980520.md): Mfcu · failed · Aug 29, 1998 · N851AW · Bag ATP · Engine (Turbine/Turboprop)
  > ORD - FLT 5753 - NR 2 ENGINE ROLLED BACK TO ZERO PERCENT TORQUE IN-FLIGHT FOLLOWED BY LOW OIL PSI 'CWP'. MAINTENANCE REMOVED AND REPLACED MFCU. PERFORMED POWER ASSURANCE RUNS, ALL PARAMETERS CHECKED GOOD. (X)
- [SDR UF6A980814](https://openairdocs.org/sdr/UF6A980814.md): Eec · failed · Aug 29, 1998 · N858AW · Bag ATP · Fuel Control/Turbine Engines
  > ORD - FLT 5754 - NR 1 ENGINE CONTROL FROZEN ON TAKEOFF ROLL AND PROP FEATHERED. MAINTENANCE INSPECTED ENGINE CONTROL RIGGING, CHECKED CONTINUITY AND RESISTANCE OF NR 2 TORQUE SENSOR. ALL SYSTEMS OPS CHECKED GOOD. NR 1 EEC WAS REMOVED AND OPS CHECKED GOOD.
- [SDR UF6A980806](https://openairdocs.org/sdr/UF6A980806.md): Ecc · malfunctioned · Aug 11, 1998 · N854AW · Bag ATP · Fuel Control/Turbine Engines
  > ORD - FLT 5758 - AFTER LANDING, NR 1 ENGINE FEATHERED ON ITS OWN. MAINTENANCE INSPECTED ENTIRE SYSTEM AND RAN ENGINES. COULD NOT DUPLICATE. SYSTEM OPS CHECKED GOOD. (M)
- [SDR UF6A980804](https://openairdocs.org/sdr/UF6A980804.md): Controls · vibration · Aug 8, 1998 · N857AW · Bag ATP · Flight Control System
  > ORD - FLT 5727 - HIGH PITCH HUM HEARD IN COCKPIT AFTER TAKEOFF WITH VIBRATION FELT IN FLIGHT CONTROLS, POWER LEVERS, TILLER, AND FLOOR. MAINTENANCE PERFORMED OPS CHECK OF ENTIRE SYSTEM WITH NO DEFECTS NOTED. TEST FLIGHT WAS PERFORMED AND FOUND SATISFACTORY.
- [SDR UF6A980803](https://openairdocs.org/sdr/UF6A980803.md): Eec · failed · Aug 5, 1998 · N854AW · Bag ATP · Fuel Control/Turbine Engines
  > ORD - FLT 5712 - NR 1 ENGINE FEATHERED AFTER LANDING WITHOUT MOVEMENT OF CONDITION LEVER. MAINTENANCE REMOVED AND REPLACED NR 1 EEC. SYSTEM OPS CHECKED GOOD. (M)
- [SDR UF6A980713](https://openairdocs.org/sdr/UF6A980713.md): Eec · malfunctioned · Jul 17, 1998 · N854AW · Bag ATP · Fuel Control/Turbine Engines
  > ORD - FLT 5749 - NR 1 TORQUE FLUCTUATES 25 PERCENT AT SETTINGS OF 15 PERCENT TO 40 PERCENT ON APPROACH. MAINTENANCE REMOVED AND REPLACED NR 1 EEC. PERFORMED OPS CHECK AND TEST FLIGHT. ALL SYSTEMS CHECKED GOOD. (M)
- [SDR UF6A980711](https://openairdocs.org/sdr/UF6A980711.md): Switch · out of adjust · Jul 16, 1998 · N852AW · Bag ATP · Fuel Control/Turbine Engines
  > ORD - FLT 5739 - NEITHER AUTOFEATHER ARMED ON TAKEOFF ON RIGHT ENGINE. MAINTENANCE ADJUSTED MICROSWITCH ON NR 2 ENGINE CONDITION LEVER. SYSTEM OPS CHECKED GOOD. (M)
- [SDR UF6A980710](https://openairdocs.org/sdr/UF6A980710.md): Valve · failed · Jul 15, 1998 · N854AW · Bag ATP · Compressor Bleed Valve
  > SBN - FLT 5764 - AFTER TAKEOFF, WHEN BLEEDS ARE SELECTED ON NR 1 ENGINE, TORQUE DROPPED TO 70 PERCEN, NL 92 PERCENT, NH 90 PERCENT. MAINTENANCE REMOVED AND REPLACED NR 1 HP BLEED VALVE. SYSTEM OPS CHECKED GOOD. (M)
- [SDR UF6A980709](https://openairdocs.org/sdr/UF6A980709.md): Engine · malfunctioned · Jul 10, 1998 · N854AW · Bag ATP · Engine (Turbine/Turboprop)
  > SBN - FLT 5751 - ON CLIMB-OUT, LT NR 1 ENGINE TORQUE ROLLED BACK TO 40 PERCENT. NH AND NL WERE UP IN THE 115 PERCENT RANGE. MAINTENANCE PERFORMED RESISTANCE CHECK OF NP, NH, NL, AND TQ SENSORS. DOWNLOADED EEC, BORESCOPED OP AND HP TURBINES. CHECKED REDUCTI
- [SDR 98ZZZX2815](https://openairdocs.org/sdr/98ZZZX2815.md): Eec · failed · Jun 4, 1998 · N852AW · Bag ATP · Fuel Control/Turbine Engines
  > ORD - FLT 5712 - DURING CLIMB AT FL 180, NR 1 ENGINE LOST 20 PERCENT TORQUE AND INCREASED 40 DEGREES ITT. MAINTENANCE REMOVED AND REPLACED THE NR 1 EEC. SYSTEM OPS CHECKED GOOD. ACFT TT: 13,951 HOURS. ENGINE TT: 9,933. (X)
- [SDR UF6A980518](https://openairdocs.org/sdr/UF6A980518.md): Cap · loose · May 27, 1998 · N858AW · Bag ATP · Turbine Engine Oil System
  > SBN - FLT 5751 - NR 2 ENGINE LOW OIL RPESSURE CWP ILLUMINATED DURING FLIGHT. ENGINE WAS SHUT DOWN PER EMERGENCY CHECKLIST. MAINTENANCE PERFORMED INSPECTION OF NR 2 ENGINE AND FOUND OIL SERVICING CAP UNSECURED. CAP WAS SECURED AND ALL PARAMETERS OPS CHECKED
- [SDR UF6A980405](https://openairdocs.org/sdr/UF6A980405.md): Engine · damaged · Apr 9, 1998 · N855AW · Bag ATP · Engine (Turbine/Turboprop)
  > ORD - NR 1 PROP ASSEMBLY WAS STRUCK BY AIRCRAFT TUG DURING PUSH BACK. MAINTENANCE REMOVED AND REPLACED NR 1 ENGINE AND PROP ASSEMBLY. SYSTEM OPS CHECKED GOOD. (M)
- [SDR UF6A980205](https://openairdocs.org/sdr/UF6A980205.md): Bleed Valve · failed · Feb 11, 1998 · N852AW · Bag ATP · Compressor Bleed Valve
  > ORD - FLT 5708 - IN CLIMB, ITT AND NH WERE APPROACHING RED LINE ON LEFT ENGINE. PULLED POWER LEVERS BACK AS TO NTO EXCEED LIMITS. MAINTENANCE INSPECTED SYSTEM AND FOUND HANDLING BLEED VALVE AT FAULT. REMOVED AND REPLACED HANDLING BLEED VALVE AND SERVO VALVE
- [SDR UF6A971104](https://openairdocs.org/sdr/UF6A971104.md): Fuel Heater · failed · Nov 16, 1997 · N859AW · Bag ATP · Fuel Heater
  > ORD - FLT 5729 - ENGINE OIL CWP ILLUMINATED IN FLIGHT. WHEN PROPS PULLED TO 85 PERCENT OIL PRESSURE FLUCTUATED BETWEEN RED LINE AND 56 PSI. MAINTENANCE REMOVED AND REPLACED NR 1 OIL FUEL HEATER. SYSTEM OPS CHECKED GOOD. (M)
- [SDR UF6A971002](https://openairdocs.org/sdr/UF6A971002.md): Eec · malfunctioned · Oct 13, 1997 · N852AW · Bag ATP · Fuel Control/Turbine Engines
  > ORD - FLT 5715 - AFTER TAEKOFF, LOST THE NR 1 TORQUE AND DIGITAL RATING INDICATIONS, THEN WITH CLIMB POWER SELECTED THE NR 1 ENGINE STARTED TO FLUCTUATE WITH TORQUE NP AS WELL. THE NR EEC AUTOFEATHER WAS ARMING AND DISARMING ALONG WITH A FROZEN ON THE ENGINE
- [SDR UF6A970806](https://openairdocs.org/sdr/UF6A970806.md): Fuel Control · failed · Aug 14, 1997 · N857AW · Bag ATP · Fuel Control/Reciprocating Engines
  > GRB - FLT 5734 - SHORTLY AFTER V1 THERE WAS A POWER ROLL BACK, SUBSEQUENT RELIGHT WITH TEMPORARY TORQUE INCREASE THEN COMPLETE ENGINE FAILURE ON NR 1 ENGINE. ENGINE AUTOFEATHERED. MAINTENANCE REMOVED AND REPLACED NR 1 MECHANICAL FUEL CONTROL AND PERFORMED A
- [SDR UF6A970804](https://openairdocs.org/sdr/UF6A970804.md): Fuel Control · failed · Aug 10, 1997 · N852AW · Bag ATP · Fuel Control/Turbine Engines
  > AZO - FLT 5700 - THE LT ENGINE DEVELOPED AN UNCOMMANDED 'ROLL BACK' TO APPROXIMATELY 20 PERCENT TQ FROM A CLIMB POWER SETTING. INITIAL ADJUSTMENTS OF THE POWER LEVER INCLUDING FULL FORWARD SELECTION, HAD NO EFFECT TO TQ INDICATION. EVENTUALLY PARTIAL POWER U
- [SDR UF6A970802](https://openairdocs.org/sdr/UF6A970802.md): Eec · failed · Aug 4, 1997 · N852AW · Bag ATP · Fuel Control/Turbine Engines
  > ORD - FLT 5712 - AFTER TAKEOFF LEFT ENGINE COULD NOT ACHIEVE ABOVE 70 PERCENT TQ. (ITT 650) AT FULL THROTTLE. AFTER LANDING, GENERATOR WOULD DROP OFF WHEN POWER WAS ADDED. MAINTENANCE CLEARED EEC AND PERFORMED ENGINE RUNS. SYSTEM OPS CHECKED GOOD. (M)
- [SDR UF6A970702](https://openairdocs.org/sdr/UF6A970702.md): Engine · malfunctioned · Jul 4, 1997 · N853AW · Bag ATP · Engine (Turbine/Turboprop)
  > SBN - NR 2 ENGINE HAS HIGH ITT. MAINTENANCE REMOVED AND REPLACED NR 2 ENGINE. SYSTEM OPS CHECKED GOOD. (M)

Next page: https://openairdocs.org/engine/pratt-whitney-canada-pw126a/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 engine_model_key = 'PW126A'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/engine/pratt-whitney-canada-pw126a/reports

---
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