# Service difficulty reports: JASC 2922

A list on [JASC 2922](https://openairdocs.org/jasc/2922.md).

Reports filed under 2922 · Hydraulic Filter, Auxiliary, newest first.

- [SDR SWAA2025032007747](https://openairdocs.org/sdr/SWAA2025032007747.md): Filter · low pressure · Mar 18, 2025 · N7876A · Boeing 7377Q8
  > AFTER FLAPS 5 HYD A SYSTEM LOW PRESSURE LIGHTS ON BOTH ENG AND ELECTRIC PUMP SHORTLY AFTER LOW PRESSURE LIGHTS ON HYD SYSTEM A CAME ON. SYS A QTY WENT TO 0. WE GOT EXTENDED VECTORS RAN QRH FOR LOSS OF SYSTEM A. RAN NON NORMAL LANDING DATA AND ALTERNATE EXTENDE
- [SDR UALA2012080704250](https://openairdocs.org/sdr/UALA2012080704250.md): Power Unit · leaking · Jul 31, 2012 · N814UA · Airbus A319131
  > YELLOW-GREEN PTU LEAKING. REPLACED GREEN-YELLOW PTU. BLED SYSTEM AND CHECKED FOR LEAKS. CHECKED OK. OPS CHECK ACCOMPLISHED ON SMC 18.
- [SDR UALA2012010600133](https://openairdocs.org/sdr/UALA2012010600133.md): Pump · underserviced · Jan 3, 2012 · N457UA · Airbus A320232
  > RAT HYD PUMP IS UNDERSERVICED. REPLACED RAT PUMP.
- [SDR UALA2011121406834](https://openairdocs.org/sdr/UALA2011121406834.md): Ram Air Turb · no test · Dec 13, 2011 · N408UA · Airbus A320232
  > RAT FAILS CHECK, NO GREEN LIGHT. RAM AIR TURBINE ASSY OPS CHECKED GOOD, NO LEAKS.
- [SDR UALA2011101905650](https://openairdocs.org/sdr/UALA2011101905650.md): Ram Air Turb · faulty · Oct 18, 2011 · N436UA · Airbus A320232
  > RAT FAILS TO ILLUMINATE GREEN LIGHT. ACCOMPLISHED AN OPERATIONAL TEST OF RAT MANUAL DEPLOYMENT AND A FUNCTIONAL TEST OF RAT USING GROUND TEST UNIT PER AMM. RAT FAILED. REPLACED RAT. RETESTED PER MM. OP'S CHECKED GOOD.
- [SDR 2011FA0000563](https://openairdocs.org/sdr/2011FA0000563.md): Pump · leaking · Jul 22, 2011 · N238E · Diamon DA20C1
  > ENGINE SHUTDOWN IN FLIGHT. UPON INSPECTION, FOUND A FINE DARK PARTICULATE CONTAMINATING FUEL SYS. AIRFRAME BOOST PUMP APPEARED TO BE SOURCE OF CONTAMINATION. THE AIRFRAME BOOST PUMP WAS LEAKING FUEL FROM ISOLATION CHAMBER BETWEEN PUMP AND MOTOR SECTIONS OF
- [SDR UALA2011032801483](https://openairdocs.org/sdr/UALA2011032801483.md): Ram Air Turb · faulty · Mar 27, 2011 · N414UA · Airbus A320232
  > RAT FAILS TEST. GREEN LIGHT WON'T COME ON AND STAY ON. FIRST TEST FAILED. REPLACED HYD PUMP ASSY RAT HYD PUMP ASSY OP CHECKS GOOD, NO LEAKS.
- [SDR DL757091335](https://openairdocs.org/sdr/DL757091335.md): Module · broken · Aug 13, 2009 · N634DL · Boeing 757232
  > PTU AND LT LOW HYD QTY STATUS MSG ON EICAS. FOUND PTU PRESS MODULE FILTER BOWL BROKEN. REMOVED HYD PRESSURE PTU FILTER MODULE 239798 DUMPED HEAD. PRESSURE ON LEFT HYD SYSTEM 239798 NEEDS PTU PRESSURE FILTER MODULE ASSY REF IPC 29-22-02-01 ITEM 010J239798.
- [SDR CA071212014](https://openairdocs.org/sdr/CA071212014.md): Strainer · contaminated · Dec 11, 2007 · Snias AS350BA
  > (CAN) STRAINER WAS INSPECTED AND FOUND CONTAMINATED WITH PARTICLES FOREIGN MATTER AND SLIVERS OF MATERIAL FROM THE O-RING, P/N MS28775-016, WHICH WAS HARD AND BRITTLE. THE MFG MM REQUIRES INSPECTION AND CLEANING OF THE STRAINER ONLY WHEN THE MANIFOLD IS REPLA
- [SDR ANCF200700028](https://openairdocs.org/sdr/ANCF200700028.md): Filter · cracked · Oct 29, 2007 · N521NA · Boeing 757236
  > PILOT REPORT: AIRPLANE RETURN TO RAMP DUE TO TECHNICAL PROBLEMS ( HYD SYS QTY). DURING INSPECTION FOUND THE POWER TRANSFER UNIT PRESSURE FILTER MODULE WITH LEAKAGE. REMOVED AND REPLACED THE PTU PRESSURE FILTER MODULE IAW AMM 29-22-02 PAGE 401. OPS TEST OK.
- [SDR 2005FA0000274](https://openairdocs.org/sdr/2005FA0000274.md): Bypass Switch · sheared · Dec 22, 2004
  > 1 OF THE SREWS (P/N AA-2100-11D99)HAD THE HEAD SHEAR OFF JUST UNDER THE HEAD. THIS SCREW, 1 OF 4 HOLD THE FILTER BYPASS DIFFERENTIAL PRESSURE INDICATOR TO THE TOP OF THE FILTER ASSEMBLY. THE AFFECTED SYSTEM WAS THE RUDDER STANDBY. HYDRAULIC FLUID WAS LEAKING S
- [SDR MWEA030009](https://openairdocs.org/sdr/MWEA030009.md): Filter · defective · Jan 7, 2003 · N216ME · Doug DC932
  > RIGHT HYDRAULIC SYSTEM FLUID QUANTITY DEPLETED AND LOST PRESSURE. REMOVED AND REPLACED AUXILIARY LINE FILTER HOUSING AND FILTERS.
- [SDR SCNA02004](https://openairdocs.org/sdr/SCNA02004.md): Filter Housing · Jul 15, 2002 · N801SY · Boeing 7378Q8
  > Hydraulic "A" system RF after landing. Fault code 293 180 00. Found filter bowl assembly disengaged from filter. Removed & replaced hydraulic system "A" return filter IAW Task 2-11-61-000-802, ops checks good.
- [SDR HEEA077753](https://openairdocs.org/sdr/HEEA077753.md): Pump · leaking · Jan 28, 2002 · N719PH · Bell 407
  > FUEL BOOST PUMP LEAKING OUT OF SEAL DRAIN.
- [SDR CA011018006](https://openairdocs.org/sdr/CA011018006.md): O-Ring · fretted · Oct 2, 2001 · Airbus A330322
  > (CAN) A/C EXPERIENCED LOSS OF YELLOW HYDRAULIC SYS, ECAM WARNING - HYD RSVR LO/HYD SYS LO PR, APPROX 1(ONE) HR INTO FLT. FLT CREW SECURED SYS AS PER THE AFM&DIVERTED FLT TO MAN. UPON ARRIVAL IN MAN, MAINT FOUND FLUID DRIPPING FROM NR 2 ENGINE THRUST REVER
- [SDR 2001FA0000310](https://openairdocs.org/sdr/2001FA0000310.md): Valve · mismanufactured · Sep 4, 2001 · N4087R · Piper PA32300
  > NUT CAME OFF THE THERMOSTATIC BYPASS VALVE AND FELL INTO THE OIL SUMP. CUSTOMER COMPLAINT, HIGH OIL TEMPERATURE.
- [SDR 20010605CW012](https://openairdocs.org/sdr/20010605CW012.md): Housing · cracked · May 11, 2001 · Boeing 737
  > HOUSING ASSEMBLY IS CRACKED APPROX 5 INCHES LONG AROUND PACKING AND RETAINER AREA. PROBABLE CAUSE: OVER PRESSURE.
- [SDR ARWA980809](https://openairdocs.org/sdr/ARWA980809.md): Filter · contaminated · Aug 12, 1998 · N1808E · Doug DC862
  > MIA - FLT 617 - HYD OIL TEMP REACHED 80 PERCENT. REMOVED AND REPLACED LEFT WHEEL WELL FILTERS IAW MM 29-10-00. OPS AND LEAK CHECK NORMAL. NO LEAKS NOTED. (M)
- [SDR CA960729004](https://openairdocs.org/sdr/CA960729004.md): Clamp · failed · Jul 7, 1996 · Boeing 737275C
  > (CAN) LOST HYDRAULIC QUANTITY AND PRESSURE ON "A" SYSTEM ON TAXI AFTER LANDING. BOTH ENGINES SHUT DOWN. HYDRAULIC LEAK FROM RETURN FILTER. NEW FILTER HOUSING CLAMP AND SEAL INSTALLED, LEAK CHECK CARRIED OUT SERVICEABLE.
- [SDR 95ZZZX3646](https://openairdocs.org/sdr/95ZZZX3646.md): Valve · failed · Jun 23, 1995
  > THE THERMOSTATIC OIL COOLER BYPASS VALVE WAS REPLACED AT OVERHAUL OF THE ENGINE BY CLYDESDALE AIRCRAFT. THE ENGINE WAS INSTALLED IN A CESSNA 172 SKYHAWK. A TEST FLIGHT SHOWED VERY HIGH OIL TEMP. THE OIL COOLER WAS COLD TO THE TOUCH. THE OIL BYPASS VALVE DI

## 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 = '2922'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/jasc/2922/reports

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