# Service difficulty reports: JASC 7713

A list on [JASC 7713](https://openairdocs.org/jasc/7713.md).

Reports filed under 7713 · Manifold Pressure (MP) Indicating, newest first.

Page 1 of 2 · 77 reports

- [SDR 2026FA0000678](https://openairdocs.org/sdr/2026FA0000678.md): Hose · ruptured · Sep 2, 2026 · N81FP · Diamon DA62
  > ABOUT 10 MIN AFTER TAKEOFF AND AT ABOUT 10,000 FT MSL THE LEFT ENGINE INDUCTION HOSE P/N D67-9081-26-01 FAILED BY SPLITTING AND ALLOWING THE MANIFOLD PRESSURE TO DROP. (TURBO CHANGED ENGINE)THIS PRESSURE DROP CAUSE THE ENGINE POWER TO GO TO ABOUT 62%. FOR TRO
- [SDR YENA2026081400677](https://openairdocs.org/sdr/YENA2026081400677.md): Relay · failed · Aug 12, 2026 · N621JB · Airbus A320232
  > FLT 1439, BOS-AUS (AIRTURN BACK TO BOS). NR 2 ENG EPR MODE FAULT ON CLIMB OUT AT APPROX FL 230. REPLACED P2/T2 PROBE NO HELP IAW 73-22-11. R & R RELAY BOX OPS CHECKED OK IAW 71-51-49-400-010-A.
- [SDR 2026FA0000191](https://openairdocs.org/sdr/2026FA0000191.md): Manifold · erratic · Mar 18, 2026 · N788BM · Cirrus SR22T
  > IN CRUISE PILOT REPORTED THAT THE ENGINE BEGAN SURGING, RECEIVED A FLASHING CAS MESSAGE (UNCERTAIN WHAT THE MESSAGE WAS). PILOT REDUCED POWER TO 40% TO GET IT TO RUN SMOOTHLY AND MADE AN EMERGENCY LANDING IN BAKERSFIELD CA.
- [SDR CALA2025010201752](https://openairdocs.org/sdr/CALA2025010201752.md): Sensor · faulted · Dec 31, 2024 · N78866 · Boeing 75733N
  > R ENG SPEED CARD AND R ENG BLEED OFF AND CTR R FUEL PUMP OFF AT SAME TIME AS RT ENG N3 FLUCTU PER CREW DEBRIEF CTR R FUEL PUMP, R PACK OFF & R ENG BLEED. N3 WAS FLUCTUATING FULL SCALE. PACK WAS FLUCTUATING OFF AND ON. TOTAL FUEL AFTER LADING IS 35.2 REMOVED AN
- [SDR YV3R2023051000564](https://openairdocs.org/sdr/YV3R2023051000564.md): Gauge · inoperative · Apr 12, 2023 · Robsin
  > CUSTOMER REPORTED MANIFOLD ABSOLUTE PRESSURE GAGE P/N: A600-4 WAS INOPERATIVE.
- [SDR HALA2022080300138](https://openairdocs.org/sdr/HALA2022080300138.md): None · none · Aug 2, 2022 · N208HA · Airbus A300*
  > ETOPS - AT 8000' "ENG 2 FADEC SYS FAULT THRUST LEVER 2 NOT ABOVE IDLE" THRUST LEVERS WERE IN CL DETENT // PERFORMED INSPECTION OF ENG #2 EEC AND N2 SPEED TRANSDUCER HARNESS & CONNECTIONS PER TSM 77-11-00. CHECKS OK. REMOVED & REPLACED ENG #2 N2 SPEED TRANSDUCE
- [SDR YV3R2022021600518](https://openairdocs.org/sdr/YV3R2022021600518.md): None · none · Jan 27, 2022 · Robsin R22BETAII
  > CUSTOMER REPORTED MANIFOLD PRESSURE GAGE (M.A.P) P/N: A600-5 INDICATED INCORRECT READING.
- [SDR YV3R2021081000476](https://openairdocs.org/sdr/YV3R2021081000476.md): Gauge · defective · Jul 22, 2021 · Robsin R44
  > CUSTOMER REPORTED MANIFOLD PRESSURE GAGE P/N: A600-4 WAS FAULTY.
- [SDR YV3R2021043000452](https://openairdocs.org/sdr/YV3R2021043000452.md): Gauge · defective · Apr 20, 2021 · N988DC · Robsin R44
  > REVISED UNIQUE CONTROL #: CUSTOMER REPORTED MANIFOLD PRESSURE GAGE P/N: A600-4 WILL NOT DISPLAY CORRECT PRESSURE.
- [SDR 2021FA0000119](https://openairdocs.org/sdr/2021FA0000119.md): Gauge · defective · Apr 20, 2021 · N988DC · Robsin R44
  > CUSTOMER REPORTED MANIFOLD PRESSURE GAGE P/N: A600-4 WILL NOT DISPLAY CORRECT PRESSURE.
- [SDR XGNA2021041400011](https://openairdocs.org/sdr/XGNA2021041400011.md): Engine · power loss · Apr 14, 2021 · N3378Q · Cessna 402B
  > TAKEOFF WAS NORMAL 34.5” MP, 2700 RPM, FUEL FLOW IN THE WHITE ARC. DURING CLIMB POWER SETTINGS RIGHT ENGINE WOULD NOT MAINTAIN MAP SETTING. RETURNED TO EDC, LANDED WITH NO FURTHER ISSUES. TESTED ENGINE ON THE GROUND AND COULD ONLY GET 28” MP.
- [SDR YV3R2021031200445](https://openairdocs.org/sdr/YV3R2021031200445.md): Gauge · defective · Mar 1, 2021 · Robsin R44
  > CUSTOMER REPORTED MANIFOLD ABSOLUTE PRESSURE GAGE (M.A.P) P/N: A600-4 WAS INTERMITTENT IN OPERATION.
- [SDR YV3R2021022200437](https://openairdocs.org/sdr/YV3R2021022200437.md): Gauge · defective · Feb 16, 2021 · Robsin R44
  > CUSTOMER REPORTED MANIFOLD ABSOLUTE PRESSURE GAGE (M.A.P) P/N: A600-4 INDICATING NEEDLE STUCK.
- [SDR YV3R2021022200436](https://openairdocs.org/sdr/YV3R2021022200436.md): Gauge · defective · Feb 16, 2021 · Robsin R44
  > CUSTOMER REPORTED MANIFOLD ABSOLUTE PRESSURE GAGE (M.A.P) P/N: A600-4 NEEDLE INDICATING INCORRECTLY.
- [SDR YV3R2021012200427](https://openairdocs.org/sdr/YV3R2021012200427.md): Gauge · defective · Jan 20, 2021 · Robsin R44
  > CUSTOMER REPORTED MANIFOLD ABSOLUTE PRESSURE GAGE (M.A.P) P/N: A600-7 NEEDLE INDICATION WAS LAGGING.
- [SDR YV3R2020102900375](https://openairdocs.org/sdr/YV3R2020102900375.md): Gauge · defective · Oct 21, 2020 · N299HE · Robsin R44
  > CUSTOMER REPORTED M.A.P GAGE P/N: A600-4 WAS ERRATIC, AND SLOW TO CHANGE DURING POWER CHANGES.
- [SDR YV3R2020102900374](https://openairdocs.org/sdr/YV3R2020102900374.md): Gauge · faulty · Oct 21, 2020 · Robsin R44
  > CUSTOMER REPORTED MANIFOLD ABSOLUTE PRESSURE (MAP) GAGE P/N: A600-7 INDICATED INCORRECTLY (FAULTY READING).
- [SDR YV3R2020072400304](https://openairdocs.org/sdr/YV3R2020072400304.md): Gauge · inaccurate · Jul 20, 2020 · Robsin R22BETAII
  > CUSTOMER REPORTED M.A.P GAGE P/N: A600-5 IS READING LOW.
- [SDR YV3R2020070800299](https://openairdocs.org/sdr/YV3R2020070800299.md): Gauge · reads high · Jun 29, 2020 · Robsin R22BETAII
  > CUSTOMER REPORTED MAP GAGE P/N: A600-5 READS HIGH.
- [SDR YV3R2020062700288](https://openairdocs.org/sdr/YV3R2020062700288.md): Gauge · faulty · Jun 15, 2020 · Robsin R44
  > CUSTOMER REPORTED M.A.P GAGE P/N: A600-4 HAD A FALSE INDICATION.
- [SDR YV3R2020060300278](https://openairdocs.org/sdr/YV3R2020060300278.md): Gauge · defective · May 11, 2020 · Robsin R44
  > CUSTOMER REPORTED MANIFOLD PRESSURE GAGE P/N: A600-4 INDICATION WAS OUT OF LIMITS.
- [SDR YV3R2020052900271](https://openairdocs.org/sdr/YV3R2020052900271.md): Gauge · defective · May 1, 2020 · N888SN · Robsin R44
  > CUSTOMER REPORTED MANIFOLD PRESSURE GAGE P/N: A600-7 NEEDLE IS STUCK INDICATING 10".
- [SDR YV3R2020052900270](https://openairdocs.org/sdr/YV3R2020052900270.md): Gauge · inaccurate · May 1, 2020 · Robsin R44
  > CUSTOMER REPORTED MANIFOLD ABSOLUTE PRESSURE GAGE P/N: A600-4 WAS ERRATIC AND LAGS.
- [SDR YV3R2020050900250](https://openairdocs.org/sdr/YV3R2020050900250.md): Gauge · sticking · Feb 22, 2020 · Robsin R22BETAII
  > CUSTOMER REPORTED MANIFOLD ABSOLUTE PRESSURE GAGE P/N: A600-5R STICKS AND INACCURATE IN READING PRESSURE.
- [SDR YV3R202002100238](https://openairdocs.org/sdr/YV3R202002100238.md): Gauge · inaccurate · Jan 28, 2020 · Robsin R44
  > CUSTOMER REPORTED MANIFOLD PRESSURE GAGE P/N: A600-4R WAS DEFECTIVE. RHC - BENCH CHECKING FOUND M.A.P GAGE INACCURATE DO TO DAMPENING SCREW OUT OF ADJUSTMENT.
- [SDR YV3R2020012820235](https://openairdocs.org/sdr/YV3R2020012820235.md): Gauge · inaccurate · Jan 18, 2020 · Robsin R44
  > CUSTOMER REPORTED MANIFOLD PRESSURE GAUGE HAS AN INACCURATE READING.
- [SDR YV3R2019092400196](https://openairdocs.org/sdr/YV3R2019092400196.md): Gauge · inaccurate · Sep 18, 2019 · N250TH · Robsin R44
  > CUSTOMER REPORTED MANIFOLD ABSOLUTE PRESSURE GAGE (MAP) P/N: A600-7 NEEDLE STICKS, JUMPS, AND READS LOW.
- [SDR YV3R2019092000189](https://openairdocs.org/sdr/YV3R2019092000189.md): Gauge · malfunctioned · Sep 14, 2019 · Robsin R44
  > CUSTOMER REPORTED MANIFOLD PRESSURE GAGE P/N: A600-4 IS ERRATIC/MALFUNCTIONING.
- [SDR YV3R2019081522163](https://openairdocs.org/sdr/YV3R2019081522163.md): Gauge · inaccurate · Aug 2, 2019 · Robsin R44
  > CUSTOMER REPORTED MANIFOLD ABSOLUTE PRESSURE GAUGE IS NOT READING CORRECTLY.
- [SDR YV3R2019080220156](https://openairdocs.org/sdr/YV3R2019080220156.md): Gauge · malfunctioned · Jul 29, 2019 · Robsin R22BETAII
  > CUSTOMER REPORTED MANIFOLD PRESSURE ABSOLUTE GAGE P/N: A600-5 IS NOT READING CORRECTLY AND SLOW TO REACT.
- [SDR YV3R2019071800140](https://openairdocs.org/sdr/YV3R2019071800140.md): Line · broken · Jul 3, 2019 · N999FR · Robsin R22BETAII
  > CUSTOMER REPORTED MANIFOLD PRESSURE LINE ASSEMBLY P/N: A740-1 BROKEN.
- [SDR YV3R201906200122](https://openairdocs.org/sdr/YV3R201906200122.md): Gauge · sluggish · Jun 10, 2019 · Robsin R44
  > CUSTOMER REPORTED MANIFOLD ABSOLUTE PRESSURE (MAP) GAGE READS 1 INCH LOW AND SLUGGISH.
- [SDR YV3R201906200121](https://openairdocs.org/sdr/YV3R201906200121.md): Gauge · sluggish · Jun 10, 2019 · Robsin R44
  > CUSTOMER REPORTED MANIFOLD ABSOLUTE PRESSURE (MAP) GAGE IS SLUGGISH.
- [SDR YV3R2019060520109](https://openairdocs.org/sdr/YV3R2019060520109.md): Gauge · reads low · May 30, 2019 · N4053T · Robsin R44
  > CUSTOMER REPORTED MANIFOLD ABSOLUTE PRESSURE GAGE (MAP) P/N: A600-7 READS LOW.
- [SDR YV3R2019052400095](https://openairdocs.org/sdr/YV3R2019052400095.md): Gauge · defective · May 23, 2019 · N7QH · Robsin R44
  > CUSTOMER REPORTED MANIFOLD ABSOLUTE PRESSURE (MAP) GAUGE P/N: A600-7 IS DEFECTIVE.
- [SDR YV3R2019032700059](https://openairdocs.org/sdr/YV3R2019032700059.md): Pressure Gauge · defective · Mar 25, 2019 · Robsin R44
  > CUSTOMER REPORTED MANIFOLD ABSOLUTE PRESSURE GAGE UNDERESTIMATES AT 1.5" (INCH).
- [SDR YV3R2019031600044](https://openairdocs.org/sdr/YV3R2019031600044.md): Gauge · faulty · Mar 8, 2019 · Robsin R44
  > CUSTOMER REPORTED MANIFOLD ABSOLUTE PRESSURE GAGE, P/N: A600-4, WAS FAULTY.
- [SDR YV3R2019012200027](https://openairdocs.org/sdr/YV3R2019012200027.md): Gauge · inaccurate · Feb 15, 2019 · N999FR · Robsin R22BETAII
  > CUSTOMER REPORTED MANIFOLD ABSOLUTE PRESSURE (MAP) GAGE IS INACCURATE AND SLOW TO RESPOND.
- [SDR YV3R2019021100015](https://openairdocs.org/sdr/YV3R2019021100015.md): Gauge · inoperative · Jan 1, 2019 · Robsin R44
  > CUSTOMER REPORTED MANIFOLD PRESSURE GAGE IS INOPERATIVE, NEEDLE GETTING STUCK.
- [SDR VRXR20180822002](https://openairdocs.org/sdr/VRXR20180822002.md): Stud · pulled · Aug 8, 2018 · N858PB · Beech 58
  > STUD PULLED OUT OF TACH DRIVE HOUSING COVER ALLOWING OIL TO LEAK OUT ONTO EXHAUST CAUSING SMOKE AND THE FLIGHT TO RETURN TO THE AIRPORT IMMEDIATELY AFTER TAKEOFF. THE THREADS WERE PULLED OUT POSSIBLY FROM REPETITIVELY REMOVING BRACKET FROM THE Y PIPE DURING
- [SDR NI6R201708230045](https://openairdocs.org/sdr/NI6R201708230045.md): Oil System · low pressure · Aug 23, 2017 · N1386C · Lkheed P2V5F
  > IN LOADED CRUISE FLIGHT, RIGHT RADIAL ENGINE LOST MANIFOLD PRESSURE FOLLOWED BY A REAR OIL SYSTEM CHIP LIGHT. ENGINE WAS SHUT DOWN, JETTISONED THE LOAD, AND RETURNED TO BASE WITH AN UNEVENTFUL LANDING. IFE WAS DECLARED.
- [SDR N3XR2016111700001](https://openairdocs.org/sdr/N3XR2016111700001.md): Gauge · contaminated · Nov 5, 2016 · N199SA · Bbavia 8KCAB
  > THE PILOT REPORTED SLUGGISH MAP READINGS.INVESTIGATION REVEALED THAT THE MAP LINE HAD RESIDUAL FLUID IN IT AND THAT THIS FLUID ENTERED THE MAP GAUGE. THIS HAS PREVIOUSLY HAPPENED ON AT LEAST TWO OCCASIONS.
- [SDR N3XR20160609003](https://openairdocs.org/sdr/N3XR20160609003.md): Indicator · contaminated · Jun 9, 2016 · N199SA · Bbavia 8KCAB
  > AFTER MANY HOURS OF AEROBATIC FLIGHT, SMALL TRACES OF OIL MIGRATED INTO THE MAP LINE BEHIND THE CYLINDER. EVENTUALLY THIS CAUSES ERRATIC OR COMPLETE LOSS OF THE MAP INDICATION. THERE IS NO SOLUTION FOR THIS OTHER THAN HAVING THE GAUGE REPAIRED AND BLOWING OUT
- [SDR HYIA20150624001](https://openairdocs.org/sdr/HYIA20150624001.md): Line · faulty · Jun 17, 2015 · N2611X · Cessna 402C
  > PILOT REPORTED LT ENG NOT RESPONSIVE TO THROTTLE CHANGES, DEVELOPING AMBIENT PRESS. ENG SHUTDOWN IN FLIGHT. INSPECTED THE LT ENG & FOUND A BAD MANIFOLD PRESS, MAP, LINE. REPLACED LINE, RAN ENG & FOUND TO BE WITHIN OPERATING LIMITS IAW MM CHAPTER 72 & 81.
- [SDR CA131129002](https://openairdocs.org/sdr/CA131129002.md): Adapter · clogged · Nov 27, 2013 · Cessna 182T
  > (CAN) RESTRICTOR ORIFICE IN MANIFOLD PRESSURE INDICATOR LINE ADAPTOR AT CYLINDER NR 3 FOUND PLUGGED. ORIFICE CLEANED.
- [SDR XGNA20130621001](https://openairdocs.org/sdr/XGNA20130621001.md): Pressure Sensor · intermittent · Jun 11, 2013 · N236CH · Beech A36
  > MANIFOLD PRESURE SENSOR BECAME INTERMITTENT.
- [SDR CA130611001](https://openairdocs.org/sdr/CA130611001.md): Line · broken · Jun 5, 2013 · Piper PA44180
  > (CAN) THE RT ENGINE MANIFOLD PRESSURE GAUGE WENT TO 30" AND WOULD NOT MOVE EVEN WITH FULL POWER. MAINTENANCE FOUND THE MP LINE AT THE ENGINE WAS BROKEN APPROX 3 INCHES FROM THE CYLINDER. THE LINE WAS REPAIRED AND ENGINE RUN CARRIED OUT WITH NO FURTHER ISSUES.
- [SDR CA120723018](https://openairdocs.org/sdr/CA120723018.md): Line · cut · Jul 19, 2012 · Cessna A185F
  > (CAN) PILOT CAME IN REPORTING LOWER ENGINE POWER AND HIGHER THAN NORMAL MANIFOLD PRESSURE AT LOW POWER SETTINGS, AME FOUND MANIFOLD PRESSURE FIREWALL TO GAGE LINE ASSY HAD BEEN FIELD REPAIRED USING ALUMINUM TAPE. LINE R & R WITH SERVICEABLE UNIT.
- [SDR HYIA818ANMAP1105](https://openairdocs.org/sdr/HYIA818ANMAP1105.md): Line · broken · Nov 5, 2010 · N818AN · Cessna 402C
  > CREW REPORTED, AFTER LEVELING AT 4000 FT, IN CRUISE CONFIGURATION, POWER WAS REDUCED TO 26" OF MANIFOLD PRESSURE. LT ENGINE WENT TO TO 26" OF MANIFOLD PRESSURE, BUT RT ENGINE REMAINED AT 29". CREW ELECTED TO DIVERT, WHERE AN EMERGENCY WAS DECLARED. LANDING
- [SDR 2010FA0000732](https://openairdocs.org/sdr/2010FA0000732.md): Sensor · failed · Jul 6, 2010 · N316BV · Diamon DA40
  > INTIALLY ERRATIC, AND THEN CONCISTENTLY LOW MANIFOLD PRESSURE READINGS ON G1000 DURING AND AFTER FLIGHT. PROBLEM APPEARED ONLY AFTER SEVERAL MINUTES OF ENGINE OPERATION, AND APPEARS TO BE RELATED TO HEAT IN THE ENGINE COMPARTMENT WHERE THE SENSOR IS LOCATED.

Next page: https://openairdocs.org/jasc/7713/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 = '7713'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/jasc/7713/reports

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