# Service difficulty reports: JASC 7923

A list on [JASC 7923](https://openairdocs.org/jasc/7923.md).

Reports filed under 7923 · Engine Oil Shutoff Valve, newest first.

- [SDR 2009FA0000071](https://openairdocs.org/sdr/2009FA0000071.md): Relief Valve · sticking · Feb 10, 2009 · N129PA · Diamon DA20C1
  > PILOT CALLED TOWER TO REQUEST PERMISSION FOR PRIORITY APPROACH TO AIRPORT DUE TO A LOW OIL PRESSURE INDICATION. ACFT LANDED WITHOUT INCIDENT. MX PROCEDURES CONSISTING OF CLEANING OIL PRESSURE RELIEF VALVE PERFORMED, WITH A SATISFACTORY OPS RUN-UP CHECK. ACFT A
- [SDR VNAA0212026](https://openairdocs.org/sdr/VNAA0212026.md): Shim · defective · Dec 20, 2002 · N422JS · Dorner DO328100
  > THE CREW RECEIVED A LEFT HAND OIL PRESSURE CAS MESSAGE IN THE AMBER RANGE AND CALLED MAINTENANCE CONTROL. FLIGHT 4056 WAS THEN INSTRUCTED TO RETURN TO CAK. MAINTENANCE INSPECTED AND REMOVED A OIL PRESSURE REGULATOR SHIM IN ACCORDANCE WITH DORNIER MAINTENANCE
- [SDR HEEA082663](https://openairdocs.org/sdr/HEEA082663.md): Valve · stuck · Dec 11, 2002 · N7136H · Bolkms BO105S
  > DECK VALVE STUCK OPEN.
- [SDR HEEA082627](https://openairdocs.org/sdr/HEEA082627.md): Valve · stuck · Dec 11, 2002 · N5031U · Bolkms BO105S
  > NR 2 DECK OIL SHUTOFF VALVE STUCK OPEN.
- [SDR HEEA082626](https://openairdocs.org/sdr/HEEA082626.md): Valve · malfunctioned · Dec 11, 2002 · N5031U · Bolkms BO105S
  > OIL SHUTOFF VALVE POPS CIRCUIT BREAKER. TO BE SENT TO VENDOR FOR REPAIR.
- [SDR HEEA079515](https://openairdocs.org/sdr/HEEA079515.md): Connector · damaged · May 28, 2002 · N3893N · Bell 412
  > TROUBLESHOOTING FOUND "A" PIN BROKEN IN VALVE PLUG RECEPTICLE OF ENGINE OIL SHUTOFF VALVE. REPLACED WITH SERVICEABLE PART.
- [SDR 2001F00315](https://openairdocs.org/sdr/2001F00315.md): Valve · leaking · Jul 5, 2001 · N44911 · Doug C54BDC
  > LEAK AT SURGE PROTECTION VALVE. (M)
- [SDR HEEA073639](https://openairdocs.org/sdr/HEEA073639.md): Valve · corroded · Jun 18, 2001 · N1202T · Bell 412
  > CANNON PLUG WAS CORRODED TO CONNECTOR AND WHEN CANNON PLUG WAS REMOVED VALVE CONNECTOR CAME OFF WITH CANNON PLUG.
- [SDR HEEA073638](https://openairdocs.org/sdr/HEEA073638.md): Valve · stuck · Jun 18, 2001 · N142PH · Bell 412
  > WILL NOT OPEN - STICKS.
- [SDR 99ZZZX3898](https://openairdocs.org/sdr/99ZZZX3898.md): Housing · loose · Sep 15, 1999 · N206BY · Bell 206B
  > DURING REPLACEMENT OF NI-CAD FILTER (FACET) AT REMOVAL FROM HOUSING AND BYPASS VALVE ASSY, THE BYPASS VALVE ASSY WAS FOUND UNSECURED FROM THE HOUSING. REMOVED AND REPLACED HOUSING.
- [SDR HEEA0016682](https://openairdocs.org/sdr/HEEA0016682.md): Valve · malfunctioned · Nov 5, 1998 · N911BR · Bolkms BO105S
  > VALVE INTERMITTENTLY WILL NOT CLOSE.
- [SDR HEEA0015115](https://openairdocs.org/sdr/HEEA0015115.md): Valve · sticking · Jul 1, 1998 · N54191 · Bolkms BO105S
  > VALVE STICKS IN OPEN POSITION.
- [SDR HEEA0014153](https://openairdocs.org/sdr/HEEA0014153.md): Valve · failed · May 11, 1998 · N50293 · Bolkms BO105S
  > VALVE NOT OPENING.
- [SDR HEEA0013971](https://openairdocs.org/sdr/HEEA0013971.md): Valve · sticks · Apr 16, 1998 · N8197X · Bolkms BO105S
  > VALVE STICKS INTERMITTENTLY.
- [SDR HEEA0013312](https://openairdocs.org/sdr/HEEA0013312.md): Valve · failed · Mar 5, 1998 · N724MB · Bolkms BO105S
  > VALVE WILL NOT OPEN. INOPERATIVE.
- [SDR HEEA0012511](https://openairdocs.org/sdr/HEEA0012511.md): Valve · failed · Jan 6, 1998 · N9190Y · Bolkms BO105S
  > OIL SYS VALVE WILL NOT OPEN.
- [SDR HEEA0011698](https://openairdocs.org/sdr/HEEA0011698.md): Valve · inoperative · Oct 22, 1997 · N3071K · Bolkms BO105S
  > OIL SYSTEM VALVE INOPERATIVE.
- [SDR HEEA0011236](https://openairdocs.org/sdr/HEEA0011236.md): Valve · damaged · Oct 7, 1997 · N3071K · Bolkms BO105S
  > UPON REMOVING VALVE FROM BOX IT WAS SHIPPED IN AND PULLING CAPS OFF FOR INSTALLATION ON AIRCRAFT, FOUND THAT THE CANNON PLUG CONNECTOR ON SOLENOID BADLY DAMAGED.
- [SDR HEEA0011169](https://openairdocs.org/sdr/HEEA0011169.md): Valve · failed · Oct 2, 1997 · N8199J · Bolkms BO105S
  > VALVE WILL NOT OPEN.
- [SDR HEEA0010570](https://openairdocs.org/sdr/HEEA0010570.md): Valve · inoperative · Aug 6, 1997 · N8199J · Bolkms BO105S
  > VALVE INOPERATIVE; WILL NOT OPEN.
- [SDR HAIHEEA9800](https://openairdocs.org/sdr/HAIHEEA9800.md): Valve · inoperative · May 7, 1997 · N911HM · Bolkms BO105S
  > SOLENOID SWITCH INOPERATIVE.
- [SDR HAIHEEA9399](https://openairdocs.org/sdr/HAIHEEA9399.md): Valve · failed · Apr 16, 1997 · N33008 · Bell 412
  > SPRING VALVE WILL NOT SHUT.
- [SDR HEEA968459](https://openairdocs.org/sdr/HEEA968459.md): Valve · defective · Nov 6, 1996 · N9190Y · Bolkms BO105S
  > INTERMITTENT OPERATION. INSPECTED BY ACCESSORY OVERHAUL SHOP AND FOUND VALVE TO BE INOPERATIVE.
- [SDR HEEA968319](https://openairdocs.org/sdr/HEEA968319.md): Valve · sticks · Oct 14, 1996 · N911HM · Bolkms BO105S
  > VALVE STICKING AND CORRODED SOLENOID.
- [SDR HEEA966555](https://openairdocs.org/sdr/HEEA966555.md): Valve · defective · Jan 31, 1996 · N22608 · Bell 412
  > VALVE FLUTTERING; CAUSES ENGINE ITT TO FLUCTUATE WITH HEATER TURNED OFF.

## 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 = '7923'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/jasc/7923/reports

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