# Service difficulty reports: Boeing 737-377

A list on [Boeing 737-377](https://openairdocs.org/model/boeing-737-377.md).

Newest first. General aviation reporting is voluntary.

Page 1 of 5 · 223 reports

- [SDR AUS20030902](https://openairdocs.org/sdr/AUS20030902.md): Skin · corroded · Sep 9, 2003 · Boeing 737377 · Wing, Plate/Skin
  > (AUS) RT WING VENT TANK UPPER SKIN LOWER SURFACE CORRODED. LOWER CHORD OF REAR SPAR AND WEBS OF STIFFENERS NR 9 AND NR 10 ALSO CORRODED.
- [SDR AUS20030872](https://openairdocs.org/sdr/AUS20030872.md): Spar · corroded · Aug 29, 2003 · Boeing 737377 · Wing Spar
  > (AUS) LT WING VENT TANK SKIN ATTACHMENT FLANGES AND WEBS OF STIFFENERSNO9, NR 10 AND NR 11 CORRODED BEYOND LIMITS. LOWER SECTION OF REAR SPAR ALSO CORRODED.
- [SDR AUS20030828](https://openairdocs.org/sdr/AUS20030828.md): Spar · corroded · Jul 24, 2003 · Boeing 737377 · Wing Spar
  > (AUS) LT WING VENT BOX NR 10 STIFFENER CORRODED ON AFT FACE BETWEEN STN 557 & 583. CORROSION WAS FOUND IN 4 AREAS. 3 AREAS WERE LOCATED BETWEEN 100MM & 177.8MM OUTBOARD OF WS 557 & WERE APPROX 25.4MM INDIAMETER. ONE AREA LOCATED BETWEEN 304.8MM & 381MM OUTBOAR
- [SDR AUS20030564](https://openairdocs.org/sdr/AUS20030564.md): Skin · cracked · Jun 12, 2003 · Boeing 737377 · Fuselage Main, Plate/Skin
  > (AUS) FORWARD GALLEY DOOR CUTOUT SKIN FORWARD AND AFT UPPER CORNERS CRACKED. THE AFT UPPER CORNER OF THE CUTOUT WAS CRACKED FROM ONEHOLE IN THE BEARSTRAP ONLY. TWO HOLES AT THE FORWARD UPPER CORNER OF THE CUTOUT WERE CRACKED IN THE STUBFRAME ONLY AND ATHIRD HO
- [SDR AUS20030237](https://openairdocs.org/sdr/AUS20030237.md): Stiffener · corroded · Feb 28, 2003 · Boeing 737377 · Wing, Center Box
  > (AUS) LT WING CENTER SECTION SUPPORT BEAM STIFFENER CONTAINED LEVEL 2 CORROSION. FOUND DURING INSPECTION IAW J3-CA53-0129.
- [SDR AUS20030238](https://openairdocs.org/sdr/AUS20030238.md): Web · corroded · Feb 27, 2003 · Boeing 737377 · Wing, Center Box
  > (AUS) LT WING CENTRE SECTION SUPPORT BEAM WEB CONTAINED LEVEL 2 CORROSION IN AREA BETWEEN THE HEAT EXCHANGER CUTOUTS. AREA OF CORROSION 6.3MM (0.250IN) IN DIAMETER BY 0.508MM (0.020IN) DEEP.FOUND DURING INSPECTION IAW J3-CA53-0129.
- [SDR AUS20030018](https://openairdocs.org/sdr/AUS20030018.md): Nut · cracked · Jan 10, 2003 · Boeing 737377 · Trailing Edge Flaps
  > (AUS) TRAILING EDGE FLAP TRACK RETAINING BOLTS LOCATED AT THE LT OUTBOARD FLAP, INBOARD TRACK, INBOARD RETAINING BOLT THREADS WERE NOT IN SAFETY. BOLT AND BARREL NUT WERE REMOVED AND INSPECTED WITH THE NUT FOUND TO BE CRACKED.
- [SDR AUS20021447](https://openairdocs.org/sdr/AUS20021447.md): Spar · cracked · Dec 20, 2002 · Boeing 737377 · Wing Spar
  > (AUS) RT WING REAR SPAR CRACKED AROUND FASTENER HOLE. FOUND DURING INSPECTION IAW ER B73-57-40-17 AND BOEING SB 737-57-1216.
- [SDR AUS20021433](https://openairdocs.org/sdr/AUS20021433.md): Bulkhead · damaged · Dec 16, 2002 · Boeing 737377 · Fuselage Main, Bulkhead
  > (AUS) REAR PRESSURE BULKHEAD DAMAGED ON LT SIDE. A GOUGE WAS FOUND ON A LAP JOINT OF A WEB DOME CLOSE TO S-15L.
- [SDR AUS20021428](https://openairdocs.org/sdr/AUS20021428.md): Frame · cracked · Dec 16, 2002 · Boeing 737377 · Cargo/Baggage Doors
  > (AUS) FORWARD CARGO DOOR CRACKED IN TWO PLACES. ONE CRACK WAS LOCATED IN THE FORWARD FRAME RADIUS IN LINE WITH THE LOWER FITTING PROPAGATING UPWARDS. THE OTHER CRACK WAS FOUND IN THE AFT FRAME IN THE SAME POSITION. CRACK LENGTH 38.1MM (1.5IN). FOUND DURING INS
- [SDR AUS20021045](https://openairdocs.org/sdr/AUS20021045.md): Skin · corroded · Sep 16, 2002 · Boeing 737377 · Wing, Plate/Skin
  > (AUS) RT WING UPPER SURFACE CORRODED IN AREA LOCATED FORWARD OF THE FILLER CAP AT APPROXIMATELY WING STN 440. AN AREA OF 6.35MM (0.250IN) BY 25.4MM (1IN) WAS REMOVED AT THE FORWARD EDGE OF THE FILLER CAP HOUSING.
- [SDR AUS20010967](https://openairdocs.org/sdr/AUS20010967.md): Cable · frayed · Sep 1, 2001 · Boeing 737377 · Service Doors
  > (AUS) AFT SERVICE DOOR RELEASE CABLES FRAYED. FOUND DURING INSPECTION IAW AD/B737/042.
- [SDR AUS20010966](https://openairdocs.org/sdr/AUS20010966.md): Cable · frayed · Sep 1, 2001 · Boeing 737377 · Service Doors
  > (AUS) FORWARD SERVICE DOOR RELEASE CABLES FRAYED. FOUND DURINGINSPECTION IAW AD/B737/042.
- [SDR AUS20010988](https://openairdocs.org/sdr/AUS20010988.md): Cable · stiff · Aug 23, 2001 · Boeing 737377 · Landing Gear Retraction/Extension System
  > (AUS) NOSE LANDING GEAR EXTENSION SYSTEM CABLE STIFF TO OPERATE. AFORCE IN EXCESS OF 50 POUNDS WAS NEEDED TO OPERATE THE CABLE. THE MAXIMUM LIMIT IS 28 POUNDS.
- [SDR AUS20010710](https://openairdocs.org/sdr/AUS20010710.md): Hose · ruptured · Jul 6, 2001 · Boeing 737377 · Hydraulic System, Main
  > (AUS) NOSE LANDING GEAR EXTENSION FLEXIBLE HOSE RUPTURED. LOSS OF SYSTEM A' HYDRAULIC FLUID.
- [SDR AUS20010709](https://openairdocs.org/sdr/AUS20010709.md): Valve · broken · Jul 1, 2001 · Boeing 737377 · Lavatories
  > (AUS) FORWARD TOILET DRAIN VALVE POPPET BROKEN. INNER POPPET WASMISSING.
- [SDR AUS20010706](https://openairdocs.org/sdr/AUS20010706.md): Cable · frayed · Jun 25, 2001 · Boeing 737377 · Escape Slide
  > (AUS) FORWARD GALLEY DOOR ESCAPE SLIDE RELEASE CABLE FRAYED. FOUNDDURING INSPECTION IAW AD/B737/042.
- [SDR AUS20010584](https://openairdocs.org/sdr/AUS20010584.md): Hose · leaking · Jun 5, 2001 · Boeing 737377 · Hydraulic System, Main
  > (AUS) LH MAIN LANDING GEAR UPLOCK ACTUATOR HOSE LEAKING. METALCONTAMINATION OF NO1 HYDRAULIC PUMP FILTERS.
- [SDR AUS20010551](https://openairdocs.org/sdr/AUS20010551.md): Generator · misinstalled · May 31, 2001 · Boeing 737377 · Passenger Oxygen System
  > (AUS) NR 3 TOILET AND PSU 21L OXYGEN GENERATORS HAD THE RELEASE PINS INCORRECTLY INSTALLED IN THE SAFETY PIN HOLES.PERSONNEL/MAINTENANCE ERROR.
- [SDR AUS20010495](https://openairdocs.org/sdr/AUS20010495.md): Apu · faulty · May 15, 2001 · Boeing 737377 · APU Core Engine
  > (AUS) APU FAILED PERFORMANCE MONITORING TEST. EGT ROSE TO 800 DEGREES.
- [SDR AUS20010615](https://openairdocs.org/sdr/AUS20010615.md): Fcu · faulty · May 8, 2001 · Boeing 737377 · APU Engine Fuel and Control
  > (AUS) APU FUEL CONTROL UNIT FAULTY. INVESTIGATION FOUND PISTON ANDSHAFT SET IN TIMER WORN. THE GOVERNOR SHAFT WAS WORN. FLYWEIGHT TOES WORN. PACKINGS AND SEALS FLAT AND WORN.
- [SDR AUS20010518](https://openairdocs.org/sdr/AUS20010518.md): Fcu · faulty · May 8, 2001 · Boeing 737377 · APU Engine Fuel and Control
  > (AUS) APU FUEL CONTROL UNIT FAULTY.
- [SDR AUS20010560](https://openairdocs.org/sdr/AUS20010560.md): Pcu · leaking · May 7, 2001 · Boeing 737377 · Rudder Actuator
  > (AUS) RUDDER POWER CONTROL UNIT (PCU) LEAKING INTERNALLY.
- [SDR AUS20010529](https://openairdocs.org/sdr/AUS20010529.md): Pcu · faulty · May 7, 2001 · Boeing 737377 · Rudder Actuator
  > (AUS) RUDDER POWER CONTROL UNIT (PCU) INTERNAL LEAK. FOUND DURING INSPECTION IAW ER B73-27-20-15 AND BOEING SL 737-SL-27-119. WORKSHOP INSPECTION FOUND THE LEAK WITHIN LIMITS.
- [SDR AUS20010659](https://openairdocs.org/sdr/AUS20010659.md): Fitting · fractured · May 3, 2001 · Boeing 737377 · Spoilers
  > (AUS) LT INBOARD GROUND SPOILER CENTRE OUTBOARD HINGE FITTING HAD A MISSING PIECE ALLOWING THE HINGE BEARING TO LOOSEN IN THE FITTING.
- [SDR AUS20010398](https://openairdocs.org/sdr/AUS20010398.md): Generator · misinstalled · Apr 29, 2001 · Boeing 737377 · Passenger Oxygen System
  > (AUS) OXYGEN GENERATORS LOCATED IN THE FLIGHT ATTENDANT SERVICE UNITADJACENT TO CABIN DOORS L1 AND L2 HAD THE RELASE PINS LOCATED INTHE SAFETY PIN HOLES. PERSONNEL/MAINTENANCE ERROR.
- [SDR AUS20010396](https://openairdocs.org/sdr/AUS20010396.md): Sensor · failed · Apr 28, 2001 · Boeing 737377 · Landing Gear Position and Warning
  > (AUS) AIR SENSING TEST CARD FAILED.
- [SDR AU010381](https://openairdocs.org/sdr/AU010381.md): Compass · faulty · Apr 23, 2001 · Boeing 737377 · Magnetic Compass
  > (AUS) AIR BUBBLE IN STANDBY COMPASS. FOUND DURING INSPECTION IAWAD/INST/9.
- [SDR AU010380](https://openairdocs.org/sdr/AU010380.md): Compass · faulty · Apr 22, 2001 · Boeing 737377 · Magnetic Compass
  > (AUS) BUBBLE IN COMPASS FLUID. FOUND DURING INSPECTION IAW AD/INST/9.
- [SDR AUS20010563](https://openairdocs.org/sdr/AUS20010563.md): Jackscrew · corroded · Apr 20, 2001 · Boeing 737377 · Trailing Edge Flap Actuator
  > (AUS) NR 3 TRAILING EDGE FLAP JACKSCREW CORRODED. SPALLING ON SCREWJACKBALL AND NUT. SUSPECT INCORRECT LUBRICANT USED.
- [SDR AU010376](https://openairdocs.org/sdr/AU010376.md): Controller · faulty · Apr 20, 2001 · Boeing 737377 · Trailing Edge Flap Control System
  > (AUS) FLAPS FAILED TO MOVE PAST 15 DEGREES.
- [SDR AU010375](https://openairdocs.org/sdr/AU010375.md): Hydraulic System · low · Apr 20, 2001 · Boeing 737377 · Hydraulic System, Main
  > (AUS) HYDRAULIC A SYSTEM QUANTITY AND PRESSURE LOST.
- [SDR AUS20010443](https://openairdocs.org/sdr/AUS20010443.md): Door · misinstalled · Apr 17, 2001 · Boeing 737377 · Passenger Oxygen System
  > (AUS) FORWARD TOILET OXYGEN SYSTEM DROP-DOWN DOOR HAD WHITE SILASTICMATERIAL ACROSS THE FORWARD OUTBOARD CORNER PREVENTING IT FORM OPENING. THE SILASTIC HAD BEEN USED ON THE TOILET CEILING PANEL AND HAD BEEN SMEARED ACROSS THE OXYGEN PANEL DOOR.
- [SDR AU010331](https://openairdocs.org/sdr/AU010331.md): Generator · failed · Apr 13, 2001 · Boeing 737377 · Passenger Oxygen System
  > (AUS) OXYGEN GENERATORS LOCATED ABOVE SEATS 9LT, 11LT, 13LT, 15LT AND 17LT HAD THE RELEASE PIN LOCATED IN THE SAFETY PIN HOLE.
- [SDR AU010346](https://openairdocs.org/sdr/AU010346.md): Motor · failed · Apr 12, 2001 · Boeing 737377 · Pressure Regulator/Outflow Valve
  > (AUS) AIRCRAFT PRESSURISATION SYSTEM OUTFLOW VALVE ELECTRIC MOTOR FAILED. OUTFLOW VALVE FAILED TO OPEN.
- [SDR AUS20010581](https://openairdocs.org/sdr/AUS20010581.md): Circuit Breaker · failed · Apr 6, 2001 · Boeing 737377 · AC Power Distribution System
  > (AUS) NR 1 GENERATOR BREAKER FAILED.
- [SDR AU010305](https://openairdocs.org/sdr/AU010305.md): Placard · missing · Apr 3, 2001 · Boeing 737377 · Placards and Markings
  > (AUS) TIRE INFLATION PLACARD MISSING.
- [SDR AUS20010941](https://openairdocs.org/sdr/AUS20010941.md): Structure · corroded · Apr 1, 2001 · Boeing 737377 · Fuselage Main, Structure
  > (AUS) CORROSION CONTROL INSPECTION FOUND AREAS OF LEVEL 2 CORROSION.FOUND DURING INSPECTION IAW AD/B737/52 AMDT2.
- [SDR AU010311](https://openairdocs.org/sdr/AU010311.md): Bungee Cord · broken · Mar 24, 2001 · Boeing 737377 · Cargo/Baggage Doors
  > (AUS) AFT CARGO DOOR RELEASE LANYARD HANDLE JAMMED UNDER DOOR SEAL. INVESTIGATION FOUND THE LANYARD BUNGEE CORD BROKEN.
- [SDR AUS20010867](https://openairdocs.org/sdr/AUS20010867.md): Bulkhead · cracked · Mar 13, 2001 · Boeing 737377 · Fuselage Main, Bulkhead
  > (AUS) FORWARD PRESSURE BULKHEAD LOCATED AT BS178 CRACKED IN TWO LOCATIONS. ONE CRACK FOUND IN LBL 5.7 LOCATED THROUGH INSULATIONBLANKET HOLE. CRACK LENGTH 15.875MM (0.625IN). ONE CRACK FOUND IN RBL 17.1 LOCATED THROUGH INSULATION BLANKET HOLE. CRACK LENGTH15.8
- [SDR AUS20010605](https://openairdocs.org/sdr/AUS20010605.md): Valve · faulty · Feb 21, 2001 · Boeing 737377 · Lavatories
  > (AUS) TOILET DRAIN VALVE FAULTY. FOUND DURING TESTING IAW ER B73-30-11.
- [SDR AUS20010768](https://openairdocs.org/sdr/AUS20010768.md): Hose · ruptured · Feb 15, 2001 · Boeing 737377 · Hydraulic System, Main
  > (AUS) LT MAIN LANDING GEAR ACTUATOR UP HOSE BURST. LOSS OF SYSTEM A' HYDRAULIC FLUID.
- [SDR AU010107](https://openairdocs.org/sdr/AU010107.md): Bolt · loose · Jan 30, 2001 · Boeing 737377 · Passenger Compartment Equipment
  > (AUS) SEAT BELT ATTACHMENT BOLT LOOSE AT SEAT 11E. FOUND DURING INSPECTION IAW ER B73-25-20-246.
- [SDR AUS20010886](https://openairdocs.org/sdr/AUS20010886.md): Bearing · seized · Jan 17, 2001 · Boeing 737377 · Landing Gear Retraction/Extension System
  > (AUS) NOSE LANDING GEAR MANUAL EXTENSION RELEASE MECHANISM TORQUE SHAFT BEARINGS SEIZED.
- [SDR AU010064](https://openairdocs.org/sdr/AU010064.md): Wire · damaged · Jan 9, 2001 · Boeing 737377 · Fuel System Wiring
  > (AUS) KAPTON WIRES LOCATED IN REFUEL PANEL HAVE DAMAGED INSULATION ALLOWING THE WIRES TO BE EXPOSED.
- [SDR AU010063](https://openairdocs.org/sdr/AU010063.md): Cable · frayed · Jan 1, 2001 · Boeing 737377 · Escape Slide
  > (AUS) L2 DOOR SLIDE ATTACHMENT CABLE FRAYED IN LOOP AREA.
- [SDR AU001262](https://openairdocs.org/sdr/AU001262.md): Transmitter · out of adj · Dec 11, 2000 · Boeing 737377 · Trailing Flap Position Indicating System
  > (AUS) LT TRAILING EDGE FLAP TRANSMITTER OUT OF ADJUSTMENT.
- [SDR AU001284](https://openairdocs.org/sdr/AU001284.md): Wire · damaged · Nov 25, 2000 · Boeing 737377 · Fuel System Wiring
  > (AUS) KAPTON WIRES LOCATED IN REFUEL PANEL HAVE DAMAGED INSULATION ALLOWING THE WIRES TO BE EXPOSED.
- [SDR AU001287](https://openairdocs.org/sdr/AU001287.md): Hose · leaking · Nov 17, 2000 · Boeing 737377 · Hydraulic System, Main
  > (AUS) NOSE LANDING GEAR RETRACTION ACTUATOR DOWN LINE HYDRAULIC HOSE RUPTURED. LOSS OF SYSTEM A'' HYDRAULIC FLUID.
- [SDR AU001074](https://openairdocs.org/sdr/AU001074.md): Brake · corroded · Oct 25, 2000 · Boeing 737377 · Brake
  > (AUS) NR 2 BRAKE ATTACHMENT FLANGE BOLT HOLES CORRODED. PITTING CORROSION ALSO FOUND IN THE BOLT HOLE AT THE 10 O CLOCK POSITION. FOUND DURING INSPECTION IAW AD/B737/140.

Next page: https://openairdocs.org/model/boeing-737-377/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 aircraft_model_key = '737377'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/model/boeing-737-377/reports

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