# Service difficulty reports: N12231, cancelled Jul 1, 1999

A list on [N12231, cancelled Jul 1, 1999](https://openairdocs.org/deregistered/N12231-1999-07-01.md).

Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first.

- [SDR CALA9800684](https://openairdocs.org/sdr/CALA9800684.md): Slide · low pressure · Apr 21, 1998 · N12231 · Boeing 737217 · Escape Slide
  > INSPECTION FOUND R-2 DOOR SLIDE PRESSURE AT ZERO. THE R-2 DOOR SLIDE WAS REMOVED AND REPLACED IAW MM 25-61-311.
- [SDR CALA9701652](https://openairdocs.org/sdr/CALA9701652.md): Sensor · out of adjust · Nov 20, 1997 · N12231 · Boeing 737217 · Landing Gear Retraction/Extension System
  > THE LANDING GEAR WOULD NOT RETRACT AFTER TAKEOFF. THE HANDLE WOULD GO TO THE OFF POSITION AND STOP. THE AIRCRAFT WAS RETURNED TO CLE WHERE IT LANDED WITHOUT INCIDENT. MAINTENANCE FOUND THE AIR SAFETY SENSOR ACTUATOR OUT OF RIG. THE SENSOR WAS ADJUSTED IAW
- [SDR CALA9701161](https://openairdocs.org/sdr/CALA9701161.md): Slide · zero pressure · Aug 1, 1997 · N12231 · Boeing 737217 · Escape Slide
  > INSPECTION FOUND THE R-2 DOOR ESCAPE SLIDE WITH ZERO PRESSURE. THE SLIDE WAS REMOVED AND REPLACED.
- [SDR CALA9700891](https://openairdocs.org/sdr/CALA9700891.md): Hyd Line · leaking · Jun 12, 1997 · N12231 · Boeing 737217 · Hydraulic System, Main
  > THE B HYDRAULIC SYSTEM WAS LOST DURING CRUISE, EN ROUTE TO ATL. THE AIRCRAFT LANDED AT ATL WITHOUT INCIDENT. MAINTENANCE FOUND HYDRAULIC LINE FROM NR 1 ELECTRIC B PUMP TO THE NR 5 PORT ON THE FILTER MODULE LEAKING. THE HYDRAULIC LINE WAS REMOVED AND REPLACE
- [SDR CALA9700438](https://openairdocs.org/sdr/CALA9700438.md): Hyd Line · cracked · Mar 26, 1997 · N12231 · Boeing 737217 · Hydraulic System, Main
  > THE AIRCRAFT LOST A-SYSTEM HYDRAULIC PRESSURE AND QUANTITY DURING CLIMBOUT. THE AIRCRAFT WAS RETURNED TO EWR WHERE IT LANDED WITHOUT INCIDENT. MAINTENANCE FOUND AN A-SYSTEM HYDRAULIC PRESSURE LINE CRACKED. THE HYDRAULIC LINE WAS REMOVED AND REPLACED. IN AD
- [SDR CALA9600961](https://openairdocs.org/sdr/CALA9600961.md): Actuator · leaking · Jul 3, 1996 · N12231 · Boeing 737217 · Drag Control Actuator
  > THE A-SYSTEM HYDRAULIC FLUID WAS LOST WHILE ON DESCENT INTO CHS. THE FLUID LOSS WAS ACCOMPANIED BY ILLUMINATION OF THE A-SYSTEM HYDRAULIC PUMP LIGHTS. THE LANDING GEAR WAS LOWERED MANUALLY AND THE FLAPS WERE EXTENDED ELECTRICALLY. THE AIRCRAFT LANDED WITHOU
- [SDR CALA9601014](https://openairdocs.org/sdr/CALA9601014.md): Floor Beam · cracked · Jun 27, 1996 · N12231 · Boeing 737217 · Fuselage Main, Floor Beam
  > INSPECTION FOUND FLOOR BEAM LOWER CHORD AND TRANSVERSE BEAM CRACKED AT STA 675, BL 0. THE TRANSVERSE BEAM AT STA 685, BL 0 WAS ALSO CRACKED. THE BEAMS WERE REPAIRED IAW ECRA 5710-01740 AND SRM 51-40-4.
- [SDR CALA9601012](https://openairdocs.org/sdr/CALA9601012.md): Skin · cracked · Jun 26, 1996 · N12231 · Boeing 737217 · Fuselage Main, Plate/Skin
  > INSPECTION FOUND A 1.75 INCH AND 5.75 INCH CRACK IN RT FUSELAGE SKIN BETWEEN BS 188 AND 251, WL 207 TO 234. THE CRACKED AREA WAS CUT OUT. A FILLER AND DOUBLER WERE FABRICATED AND INSTALLED IAW EA 5310-01188.
- [SDR CALA9601010](https://openairdocs.org/sdr/CALA9601010.md): Skin · disbonding · Jun 26, 1996 · N12231 · Boeing 737217 · Fuselage Main, Plate/Skin
  > INSPECTION FOUND ONE AREA OF RT WINDOW BELT SKIN DISBONDING. THE WINDOW BELT SKIN WAS REPAIRED IAW SRM 53-30-08.
- [SDR CALA9601013](https://openairdocs.org/sdr/CALA9601013.md): Web · cracked · Jun 20, 1996 · N12231 · Boeing 737217 · Fuselage Miscellaneous Structure
  > INSPECTION FOUND A 1.5 INCH CRACK IN WEB AT STA 358, STRINGER 17L. A REPAIR ANGLE WAS FABRICATED AND INSTALLED IAW 51-40-3, 51-10-2 AND 53-10-2.
- [SDR CALA9601011](https://openairdocs.org/sdr/CALA9601011.md): Skin · cracked · Jun 10, 1996 · N12231 · Boeing 737217 · Fuselage Main, Plate/Skin
  > INSPECTION FOUND A.5 INCH CRACK IN LT FUSELAGE SKIN BETWEEN BS 188 AND 251, WL 207 TO 234. THE CRACKED AREA WAS CUT OUT, DOUBLER AND FILLER WERE FABRICATED AND INSTALLED IAW EA 5310-01188.
- [SDR CALA9601009](https://openairdocs.org/sdr/CALA9601009.md): Skin · cracked · Jun 9, 1996 · N12231 · Boeing 737217 · Wing, Plate/Skin
  > INSPECTION FOUND A 3 INCH CRACK IN RT WING UPPER SURFACE SKIN AT REAR SPAR, WBL 165, AFT OF INBOARD DRY BAY PANEL. THE CRACKED SECTION WAS CUT OUT AND A DOUBLER WAS FABRICATED AND INSTALLED IAW ECRA 5730-01449.
- [SDR CALA9601008](https://openairdocs.org/sdr/CALA9601008.md): Skin · gouged · Jun 8, 1996 · N12231 · Boeing 737217 · Fuselage Main, Plate/Skin
  > INSPECTION FOUND A GOUGE IN FUSELAGE SKIN BELOW R-1 DOOR AT STRINGER 18R. THE GOUGED AREA WAS CUT OUT IAW SRM 53-30-3. A DOUBLER AND FILLER REPAIR WAS FABRICATED AND INSTALLED IAW SRM 53-30-3.
- [SDR CALA9601007](https://openairdocs.org/sdr/CALA9601007.md): Skin · dented · Jun 8, 1996 · N12231 · Boeing 737217 · Fuselage Main, Plate/Skin
  > INSPECTION FOUND FUSELAGE SKIN DENTED BETWEEN STA 1020 AND 1044, STRINGER 25R. THE DENTED AREA WERE CUT OUT IAW SRM 53-30-8. A DOUBLER WAS FABRICATED AND INSTALLED IAW SRM 53-30-3 AND 51-30-2.
- [SDR CAL960088](https://openairdocs.org/sdr/CAL960088.md): Connectors · loose · Feb 6, 1996 · N12231 · Boeing 737217 · Fire Detection
  > FLT NR 1517 - MDW - THE APU FIRE WARNING LIGHT ILLUMINATED AFTER TAKEOFF FROM MDW. THE APU FIRE BOTTLE WAS DISCHARGED, BUT THE LIGHT REMAINED ON. THE AIRCRAFT WAS RETURNED TO MDW WHERE IT LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED THE APU AREA AND FOUND
- [SDR CAL951175](https://openairdocs.org/sdr/CAL951175.md): Hyd Line · leaking · Dec 24, 1995 · N12231 · Boeing 737217 · Hydraulic System, Main
  > FLT NR 1084 - EWR - THE NLG RED UNSAFE LIGHT REMAINED ILLUMINATED AFTER GEAR RETRACTION. THE GEAR WAS CYCLED AND THE RED LIGHT EXTINGUISHED. MAINTENANCE FOUND THE HYDRAULIC RETURN LINE ON NLG UPLOCK ACTUATOR LEAKING. THE HYDRAULIC LINE WAS REMOVED AND REPLA
- [SDR CAL951078](https://openairdocs.org/sdr/CAL951078.md): Duct · ruptured · Dec 1, 1995 · N12231 · Boeing 737217 · Pneumatic Distribution System
  > FLT NR 1495 - BOS - THE NR 2 ENGINE SURGED ON TAKEOFF ROLL AT V1. THE TAKEOFF WAS CONTINUED AND ENGINE POWER WAS REDUCED TO KEEP EGT BELOW REDLINE. THE NR 2 ENGINE WOULD ONLY DEVELOP ABOUT 50 PERCENT POWER. THE AIRCRAFT WAS RETURNED TO BOS WHERE IT LANDED W
- [SDR CAL951082](https://openairdocs.org/sdr/CAL951082.md): Doubler · cracked · Nov 20, 1995 · N12231 · Boeing 737217 · Fuselage Miscellaneous Structure
  > GSO - INSPECTION FOUND A 1.25 INCH CRACK IN THIRD LAYER OF FUSELAGE INTERNAL DOUBLER AT AFT GALLEY DOOR FORWARD LOWER CORNER. THE CRACKED AREA WAS CUTOUT. A DOUBLER AND TRIPLER REPAIR WAS FABRICATED AND INSTALLED IAW SRM 53-30-3 AND 51-30-2. (M)
- [SDR CAL951073](https://openairdocs.org/sdr/CAL951073.md): Shear Beam Web · cracked · Nov 20, 1995 · N12231 · Boeing 737217 · Fuselage Miscellaneous Structure
  > GSO - INSPECTION FOUND A 1.5 INCH CRACK IN LOWER INBOARD RADIUS OF SHEAR BEAM WEB JUST FORWARD OF STATION 727 AT S18A, LEFT SIDE. THE CRACK WAS STOP DRILLED. A REPAIR WAS INSTALLED IAW BAC DRAWING 65C29228. (M)
- [SDR CAL951072](https://openairdocs.org/sdr/CAL951072.md): Bulkhead · cracked · Nov 20, 1995 · N12231 · Boeing 737217 · Fuselage Main, Bulkhead
  > GSO - INSPECTION FOUND A 4.05 INCH CRACK IN WEB ON LEFT SIDE OF NOSE WHEEL WELL AFT BULKHEAD AT LBL 6.12 AND A 3.25 INCH CRACK ON RIGHT SIDE OF NOSE WHEEL WELL AFT BULKHEAD AT RBL 7.50. THE CRACKS WERE LOCATED AT STATION 294.5. THE CRACKS WERE STOP DRILLED.
- [SDR CAL951071](https://openairdocs.org/sdr/CAL951071.md): Skin · creased · Nov 20, 1995 · N12231 · Boeing 737217 · Fuselage Main, Plate/Skin
  > GSO - INSPECTION FOUND A CREASE IN SKIN PANEL ON RIGHT SIDE OF FUSELAGE AT STATION 350 AFT OF R-1 DOOR BETWEEN S18R AND S20R. THE DAMAGED AREA WAS CUTOUT. A FILLER AND DOUBLER REPAIR WAS FABRICATED AND INSTALLED IAW SRM 53-30-3 AND 51-30-2. (M)
- [SDR CAL951070](https://openairdocs.org/sdr/CAL951070.md): Floor Beam · cracked · Nov 20, 1995 · N12231 · Boeing 737217 · Fuselage Main, Floor Beam
  > GSO - INSPECTION FOUND A 1.5 INCH CRACK IN CENTER FLOOR BEAM OF MAIN CABIN AT STATION 660, BL 0. A REPAIR WAS FABRICATED AND INSTALLED IAW BAC DRAWING 65C34537 AND EA 5710-01322. (M)
- [SDR CAL951069](https://openairdocs.org/sdr/CAL951069.md): Battery Pack · inop · Nov 20, 1995 · N12231 · Boeing 737217 · Emergency Lighting
  > GSO - INSPECTION FOUND THE L-1 AND R-1 EXTERIOR EMEREGNCY EXIT SLIDE LIGHTS INOPERATIVE. THE BATTERY PACK FOR THE L-1 AND R-1 EMERGENCY EXIT SLIDE LIGHTS WAS REMOVED AND REPLACED AND OPERATION CHECKED GOOD. (M)
- [SDR CAL951074](https://openairdocs.org/sdr/CAL951074.md): Chord · cracked · Nov 1, 1995 · N12231 · Boeing 737217 · Fuselage Miscellaneous Structure
  > GSO - INSPECTION FOUND A 1 INCH CRACK AT FASTENERS IN LEFT STATION 727 OUTBOARD CHORD, STRINGER 18A. THE CRACKED CHORD SEGMENT WAS REMOVED AND REPLACED IAW EA 5310-01638 AND BAC DRAWING 65C33722. (M)

## 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 n_number = 'N12231' AND deregistration_id = 'N12231-1999-07-01'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/deregistered/N12231-1999-07-01/reports

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