# Service difficulty reports: N737CS

A list on [N737CS](https://openairdocs.org/aircraft/N737CS.md).

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

- [SDR FY4Y202110002](https://openairdocs.org/sdr/FY4Y202110002.md): None · corroded · Jun 10, 2021 · N737CS · Boeing 737200 · Wing Main, Frame Structure
  > CORROSION FOUND AT LH WING REAR SPAR LOWER CHORD UPPER HORIZONTAL FLANGE WBL 162
- [SDR FY4Y202105015](https://openairdocs.org/sdr/FY4Y202105015.md): Spar · cracked · May 5, 2021 · N737CS · Boeing 7372T4 · Wing Spar
  > CRACK FOUND ON NO.5 FASTENER HOLE AT AFT SUPPORT FITTING AND REAR SPAR UPPER CHORD OF RH WING RSS 222
- [SDR FY4Y202105014](https://openairdocs.org/sdr/FY4Y202105014.md): Spar · cracked · May 5, 2021 · N737CS · Boeing 7372T4 · Wing Spar
  > CRACK FOUND ON NO.5 FASTENER HOLE AT REAR SPAR UPPER CHORD OF LH WING AS MARKED. (STA RSS 222)
- [SDR FY4Y202110001](https://openairdocs.org/sdr/FY4Y202110001.md): Beam · cracked · May 4, 2021 · N737CS · Boeing 737200 · Fuselage Main, Structure
  > LONGITUDINAL FLOOR LONGITUDINAL FLOOR BEAM FOUND TWO CRACKS BETWEEN BS705 AND 715 RBL 24.82, CRACKS SIZE 3.0 INCH AND 1.5 INCH IN AREA.
- [SDR FY4Y202110004](https://openairdocs.org/sdr/FY4Y202110004.md): Battery · none · May 3, 2021 · N737CS · Boeing 737200 · Emergency Equipment
  > ELT BATTERY TIME DUE ON 2021/JULY. NRC:CA1251-01-015
- [SDR FY4Y202110003](https://openairdocs.org/sdr/FY4Y202110003.md): Battery · weak · May 3, 2021 · N737CS · Boeing 737200 · Emergency Lighting
  > EMER EXIT LIGHT BATTERY WEAK ON MAIN ENTRY DOOR UP SIDE. NRC:CA1251-01-014
- [SDR FY4Y202105019](https://openairdocs.org/sdr/FY4Y202105019.md): Spar · corroded · May 3, 2021 · N737CS · Boeing 7372T4 · Horizontal Stabilizer, Spar/Rib
  > CORROSION AT FWD UPPER L/H HORIZONTAL STABILIZER FRONT SPAR AT STAB. STA. 68~79
- [SDR FY4Y202105018](https://openairdocs.org/sdr/FY4Y202105018.md): Spar · corroded · May 3, 2021 · N737CS · Boeing 7372T4 · Horizontal Stabilizer, Spar/Rib
  > CORROSION AT FWD UPPER R/H HORIZONTAL STABILIZER FRONT SPAR AT STAB. STA. 68~75
- [SDR FY4Y202105013](https://openairdocs.org/sdr/FY4Y202105013.md): Skin · corroded · May 3, 2021 · N737CS · Boeing 7372T4 · Wing, Plate/Skin
  > CORROSION AT L/H WING SURGE TANK DRAIN VALVE (W STA 536)
- [SDR FY4Y202105017](https://openairdocs.org/sdr/FY4Y202105017.md): Spar · corroded · May 1, 2021 · N737CS · Boeing 7372T4 · Horizontal Stabilizer, Spar/Rib
  > BULGE AT UPPER SKIN OF LH HORIZONTAL STABILIZER AT STAB. STA. 71~79 AND FROM REAR SPAR +1"
- [SDR FY4Y202105016](https://openairdocs.org/sdr/FY4Y202105016.md): Beam · corroded · Apr 29, 2021 · N737CS · Boeing 7372T4 · Horizontal Stabilizer Structure
  > CORROSION AT LH SIDE THRUST BEAM UPPER SURFACE AT STA. 1105 ~ 1130. (5EA)
- [SDR FY4Y202105012](https://openairdocs.org/sdr/FY4Y202105012.md): Spar · corroded · Apr 28, 2021 · N737CS · Boeing 7372T4 · Wing Spar
  > CORROSION AT L/H WING L/E FRONT SPAR LOWER CHORD HORIZONTAL LEG BETWEEN FSS 431 AND FSS 452
- [SDR JRAA202009110005](https://openairdocs.org/sdr/JRAA202009110005.md): Epr System · false indication · Sep 4, 2020 · N737CS · Boeing 7372T4 · Bleed Air Indicating System
  > UPON APPLYING T/O THRUST NR 2 EPR GAUGE DID NOT RESPOND. T/O CLEARANCE CANCELLED, EXITED RUNWAY FOR TROUBLESHOOTING, NO RELIEF. CHECKED MEL, NO RELIEF, RETURNED TO RAMP.
- [SDR JRAA20190501](https://openairdocs.org/sdr/JRAA20190501.md): Warning System · activated · Mar 27, 2019 · N737CS · Boeing 7372T4 · Engine Oil Pressure
  > PILOT OBSERVED #2 ENGINE LOW OIL PRESSURE LIGHT IN FLIGHT AND PERFORMED IN FLIGHT SHUT DOWN PROCEDURES
- [SDR JRAA201807170001](https://openairdocs.org/sdr/JRAA201807170001.md): Connector · broken · Jul 17, 2018 · N737CS · Boeing 737209 · Fire Protection System Wiring
  > NUMBER 2 ENGINE FIRE LIGHT CAME ON IN FLIGHT. MX DISCOVERED BROKEN NUMBER 2 ENGINE FIRE DETECTOR LOOP CONNECTOR. ITEM PREVIOUSLY MEL'D PER MEL 737071618-1. PERFORMED SYSTEM OPS CHECKS PER AMM 26-11-00. OPS CHECK GOOD.
- [SDR JRAA2016052504](https://openairdocs.org/sdr/JRAA2016052504.md): Sliding Window · cracked · May 25, 2016 · N737CS · Boeing 737209 · Flight Compartment Windows
  > COCKPIT L2 WINDOW CRACKED. APPEARS HEATING ELEMENT SHORTED, CRACKED OUTER PANE DETERMINED NON STRUCTURAL, FLIGHT CONTINUED, LANDED WINDOW INSPECTED AND ACFT RETURNED TO HOME BASE UNDER SPECIAL FERRY PERMIT. RESTRICTIONS, UNPRESSURIZED, BELOW 10,000FT. UNIT WA
- [SDR JRAA20160525003](https://openairdocs.org/sdr/JRAA20160525003.md): Selector Valve · sticking · May 24, 2016 · N737CS · Boeing 7372T4 · Landing Gear Retraction/Extension System
  > UNCOMMANDED LT MLG EXTENSION IN FLIGHT AT 315 KNOTS. REDUCED AIRSPEED AND REDUCED ALTITUDE. CORRECTED SEVERE YAW. SELECTED GEAR DOWN, 3 DOWN & LOCKED. CONTINUE TO DESTINATION. FLY-BY CONFIRMED GEARS DOWN AND PERFORMED A SAFE LANDING. JACKED ACFT, AND TROU
- [SDR JRAA20160420002](https://openairdocs.org/sdr/JRAA20160420002.md): Sliding Window · cracked · Apr 19, 2016 · N737CS · Boeing 737209 · Flight Compartment Windows
  > COCKPIT L2 SLIDING WINDOW CRACKED. APPEARS HEATING ELEMENT SHORTED, CRACKED OUTER PANE DETERMINED NONSTRUCTURAL, FLIGHT CONTINUED & LANDED. WINDOW INSPECTED, ACFT RETURNED TO HOME BASE ON SPECIAL FERRY FLIGHT PERMIT, ISSUED 4 19 2016. REPLACEMENT WINDOW INS
- [SDR 33AY2016FA0000063](https://openairdocs.org/sdr/33AY2016FA0000063.md): Keelbeam · corroded · Jan 7, 2016 · N737CS · Boeing 7372T4 · Fuselage Main, Keel
  > INSPECTION FOUND LT KEEL BEAM LOWER CHORD, LBBL 6.30, CORRODED BETWEEN BS 540-BS 580. THE CORRODED HORIZONTAL FLANGE SECTION WAS BLENDED AND TRIMMED OUT. INSTALLED REPAIR FILLERS, REPAIR STRAP AND REPAIR ANGLE IAW REPAIR PLAN 121083-R041, REV 02.
- [SDR 33AY2016FA0000053](https://openairdocs.org/sdr/33AY2016FA0000053.md): Keelbeam · cut · Jan 6, 2016 · N737CS · Boeing 7372T4 · Fuselage Main, Keel
  > INSPECTION FOUND LT KEEL BEAM LOWER CHORD, LBL 6.30, CORRODED AND CRACKED BETWEEN BS 668 - 672. THE KEEL BEAM LOWER CHORD WAS CUT AT BS 625 AND THE KEEL BEAM AFT SEGMENT WAS REMOVED AND THEN REPLACED WITH NEW PART BETWEEN BS 625-BS 727+16 IAW REPAIR PLAN NR 1
- [SDR 33AY2016FA0000071](https://openairdocs.org/sdr/33AY2016FA0000071.md): Fitting · corroded · Dec 21, 2015 · N737CS · Boeing 7372T4 · Fuselage Main, Attach Fittings
  > INSPECTION FOUND STRINGER FITTING AT S-27L, BS 1016 BULKHEAD CORRODED. THE DAMAGED STRINGER FITTING WAS R & R BY INSTALLING A NEW FITTING IAW SRM 51-3-02, REV 108.
- [SDR 33AY2016FA0000070](https://openairdocs.org/sdr/33AY2016FA0000070.md): Fitting · corroded · Dec 21, 2015 · N737CS · Boeing 7372T4 · Fuselage Main, Attach Fittings
  > INSPECTION FOUND STRINGER FITTING AT S26R, STA 1016 BULKHEAD CORRODED. THE DAMAGED STRINGER FITTING WAS R & R BY INSTALLING A NEW FITTING IAW SRM 51-3-02, REV 108.
- [SDR 33AY2016FA0000069](https://openairdocs.org/sdr/33AY2016FA0000069.md): Fitting · corroded · Dec 21, 2015 · N737CS · Boeing 7372T4 · Fuselage Main, Attach Fittings
  > INSPECTION FOUND STRINGER FITTING AT S-26L, BS 1016 BULKHEAD CORRODED. THE DAMAGED STRINGER FITTING WAS R & R BY INSTALLING A NEW FITTING IAW SRM 51-3-02, REV 108.
- [SDR 33AY2016FA0000068](https://openairdocs.org/sdr/33AY2016FA0000068.md): Fitting · corroded · Dec 21, 2015 · N737CS · Boeing 7372T4 · Fuselage Main, Attach Fittings
  > INSPECTION FOUND STRINGER FITTING AT S-25R, STA 1016 BULKHEAD CORRODED. THE DAMAGED STRINGER FITTING WAS R & R BY INSTALLING A NEW FITTING IAW SRM 51-3-02, REV 108.
- [SDR 33AY2016FA0000066](https://openairdocs.org/sdr/33AY2016FA0000066.md): Fuel Cell · corroded · Dec 21, 2015 · N737CS · Boeing 7372T4 · Fuel Storage
  > INSPECTION FOUND CENTER TANK LOWER SKIN CORRODED BETWEEN S-9C TO S-10C, LBBL 6.30 TO RBBL 6.30. THE CORRODED SKIN AREAS WERE BLENDED. THE AREA WAS FOUND OUT OF SRM ALLOWABLE LIMIT AND REPAIRED IAW REPAIR PLAN 121083-R043, REV 06. EXTERNAL REPAIR DOUBLER WAS
- [SDR 33AY2016FA0000065](https://openairdocs.org/sdr/33AY2016FA0000065.md): Fitting · corroded · Dec 21, 2015 · N737CS · Boeing 7372T4 · Fuselage Main, Attach Fittings
  > INSPECTION FOUND STRINGER FITTING AT STRINGER 27R, BS 1016 BULKHEAD CORRODED. THE DAMAGED STR FITTING WAS R & R BY INSTALLING A NEW FITTING IAW SRM 51-3-02, REV 108.
- [SDR 33AY2016FA0000064](https://openairdocs.org/sdr/33AY2016FA0000064.md): Fuel Tank · corroded · Dec 21, 2015 · N737CS · Boeing 7372T4 · Fuel Storage
  > INSPECTION FOUND CENTER TANK LOWER SKIN CORRODED BETWEEN S-4C TO S-5C, LBBL 6.30 TO RBBL 6.30. THE CORRODED SKIN AREAS WERE BLENDED. THE AREA WAS FOUND OUT OF SRM ALLOWABLE LIMIT AND REPAIRED IAW REPAIR PLAN 121083-R043, REV 06.
- [SDR 33AY2016FA0000057](https://openairdocs.org/sdr/33AY2016FA0000057.md): Frame · corroded · Nov 14, 2015 · N737CS · Boeing 7372T4 · Fuselage Main, Frame
  > INSPECTION FOUND FRAME UPPER FLANGE AT BS 500B BETWEEN STR 25R TO STR 26R CORRODED OUT OF SRM ALLOWABLE LIMIT. THE DAMAGED SECTION WAS TRIMMED OUT AND REPAIR FILLER AND FRAME DOUBLER WAS FABRICATED AND INSTALLED IAW SRM 51-40-03, REV 108.
- [SDR 33AY2016FA0000056](https://openairdocs.org/sdr/33AY2016FA0000056.md): Skin · corroded · Nov 14, 2015 · N737CS · Boeing 7372T4 · Fuselage Main, Plate/Skin
  > INSPECTION FOUND CORROSION ON UPPER SKIN FAYING SURFACE AT LAP JOINT STR 26R BETWEEN BS 500 TO BS 500A. THE CORRODED UPPER SKIN SECTION WAS TRIMMED OUT AND EXTERNAL REPAIR DOUBLER WAS INSTALLED. REPAIR WAS DONE IAW SRM 53-30-3, REV 108.
- [SDR 33AY2016FA0000055](https://openairdocs.org/sdr/33AY2016FA0000055.md): Frame · corroded · Nov 14, 2015 · N737CS · Boeing 7372T4 · Fuselage Main, Frame
  > INSPECTION FOUND FRAME UPPER FLANGE AT BS 492 BETWEEN STR 25R CORRODED OUT OF SRM ALLOWABLE LIMIT. THE DAMAGED SECTION WAS TRIMMED OUT AND REPAIR FILLER AND FRAME DOUBLER WAS FABRICATED AND INSTALLED IAW SRM 51-40-03, REV 108.
- [SDR 33AY2016FA0000054](https://openairdocs.org/sdr/33AY2016FA0000054.md): Skin · corroded · Nov 14, 2015 · N737CS · Boeing 7372T4 · Fuselage Main, Plate/Skin
  > INSPECTION FOUND CORROSION ON UPPER SKIN FAYING SURFACE AT LAP JOINT STR 26R BETWEEN BS 370 TO BS 400. THE CORRODED UPPER SKIN SECTION WAS TRIMMED OUT AND EXTERNAL REPAIR DOUBLER WAS INSTALLED. REPAIR WAS DONE IAW SRM 53-30-3, REV 108.
- [SDR 33AY2016FA0000062](https://openairdocs.org/sdr/33AY2016FA0000062.md): Skin · dented · Oct 30, 2015 · N737CS · Boeing 7372T4 · Fuselage Main, Plate/Skin
  > AIRCRAFT FOUND WITH DENT AND GOUGE DAMAGE TO THE SKIN ABOVE THE FWD CARGO DOOR CUTOUT, AT APPROXIMATELY BS 450, STR 18R. THIS DAMAGE IS WITHIN 10" OF THE DOOR AND IS THEREFORE OUT OF LIMITS FOR REPAIR 1, FIG 48. THIS DAMAGE WAS REPAIRED IAW REPAIR DOCUMENT 1
- [SDR 33AY2016FA0000073](https://openairdocs.org/sdr/33AY2016FA0000073.md): Keelbeam · corroded · Oct 29, 2015 · N737CS · Boeing 7372T4 · Fuselage Main, Keel
  > INSPECTION FOUND RT KEEL BEAM LOWER CHORD HORIZONTAL FLANGE CORRODED BETWEEN BS 540-BS 580, RBL 6.30. THE CORRODED FLANGE SECTION WAS BLENDED AND TRIMMED OUT. INSTALLED REPAIR FILLERS, REPAIR FILLERS, REPAIR STRAP AND REPAIR ANGLE IAW REPAIR PLAN 121083-R044
- [SDR 33AY2016FA0000059](https://openairdocs.org/sdr/33AY2016FA0000059.md): Frame · corroded · Oct 28, 2015 · N737CS · Boeing 7372T4 · Fuselage Main, Frame
  > INSPECTION FOUND FRAME AT BS 787, BETWEEN STR 25L TO STR 26L CORRODED OUT OF SRM ALLOWABLE LIMIT. THE DAMAGED SECTION WAS TRIMMED OUT AND FRAME REPAIR DOUBLER WAS INSTALLED IAW EA B737-53-004.
- [SDR 33AY2016FA0000058](https://openairdocs.org/sdr/33AY2016FA0000058.md): Frame · corroded · Oct 28, 2015 · N737CS · Boeing 7372T4 · Fuselage Main, Frame
  > INSPECTION FOUND FRAME UPPER FLANGE AT BS 887 ABOVE STRINGER STR 26L CORRODED OUT OF SRM ALLOWABLE LIMIT. THE DAMAGED SECTION WAS TRIMMED OUT AND FRAME REPAIR DOUBLE WAS INSTALLED IAW EA B737-53-004.
- [SDR 33AY2016FA0000067](https://openairdocs.org/sdr/33AY2016FA0000067.md): Splice · corroded · Oct 26, 2015 · N737CS · Boeing 7372T4 · Fuselage Main, Keel
  > INSPECTION FOUND KEEL BEAM SPLICE CORRODED AT LBBL 6.30, BS 727-BS727A. THE DAMAGED SPLICE WAS R & R IAW SRM 51-30-02.
- [SDR 33AY2016FA0000072](https://openairdocs.org/sdr/33AY2016FA0000072.md): Skin · corroded · Oct 15, 2015 · N737CS · Boeing 7372T4 · Wing, Plate/Skin
  > INSPECTION FOUND LT WING LOWER T/E SKIN CORRODED BETWEEN WBL 254 TO WBL 279.25. THE CORRODED SKIN AREA WAS BLENDED AND REPAIRED IAW REPAIR PLAN 121083-R039, REV 02.
- [SDR 33AY2016FA0000060](https://openairdocs.org/sdr/33AY2016FA0000060.md): Door Frame · corroded · Sep 2, 2015 · N737CS · Boeing 7372T4 · Fuselage Main, Structure
  > INSPECTION FOUND AFT CARGO DOORWAY AFT FRAME AT BS 847 CORRODED. REPAIRED IAW AD 93-14-10 AND SB 737-53-1096, REV 5 BY REMOVING THE DAMAGED FRAME SEGMENT AND INSTALLING A NEW FRAME REPAIR KIT WITH PN 65C35243-11.

## 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 = 'N737CS' AND registry_match = 'registration'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/aircraft/N737CS/reports

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