# Boeing 737-73A

- Type: Aircraft model (FAA registry)
- Registry code: 1384606
- Manufacturer (registry): BOEING
- Model: 737-73A
- Aircraft type: Fixed wing multi engine
- Category: Airplane
- Engines: 2 · Turbo-fan
- Seats: 128
- Weight class: 20,000 lb and over
- Certification: Type certificated
- Registered aircraft: 0
- Page: https://openairdocs.org/model/boeing-737-73a

Model codes come from the FAA registry's reference file. ADs are matched to them by model name and maker.

## ADs that may apply (OpenAirDocs)

Matched to this model by model name and maker. Each AD's applicability may narrow it by serial number, part number or equipment.

None matched.

## Registered aircraft

None registered with this model now.

## NTSB investigations

None matched to aircraft with this model.

## FAA accident and incident reports

None matched to aircraft with this model.

## Service difficulty reports (55, newest 50)

As reported by operators and repair stations, by the model named in the report.

- [SDR 2025F00021](https://openairdocs.org/sdr/2025F00021), Jan 12, 2025: WINDSHIELD. CRACKED. L1 WINDOW CRACKED AFTER SWITCHING DOWN THE ENGINES. HAS BENN REPLACED WINDOW 1LH AND REPLACED WINDOW HEAT CONTROL UNIT
- [SDR 2024F00189](https://openairdocs.org/sdr/2024F00189), Aug 10, 2024: AOA. FAILED. QRF CBB/TJA LEG DUE TO SPPED LIMIT YELLOW FLAG ON PFD PILOT SIDE, STICK SHAKER DURING FLIGHT. CORRECTIVE ACTION: HAS BEEN PERFORMED FIM PROCEDURES 27-32 TASK 80
- [SDR 2024F00180](https://openairdocs.org/sdr/2024F00180), Jul 28, 2024: WINDOW. BROKEN. AIRCRAFT ON GROUND DUE TO GLASS WINDOW L2 LH SIDE BROKE (FLIGHT COMPARTMENT). CORRECTIVE ACTION: HAS BEEN REMOVAL AND INSTALLATION OPENABLE WINDOW #2 LH SIDE. C
- [SDR 2023F00132](https://openairdocs.org/sdr/2023F00132), May 4, 2023: UNKNOWN. UNKNOWN. ALFTER LIFTOFF HIGH NOISE ON NOSE RADOME. WITH MASTER CAUTION CHECK EQUIP DOOR OPEN LIGHT. QRF TO AIRPORT. CORRECTIVE ACTION: HAS BEEN ADJUSTED LATCH PIN IAW 52
- [SDR 2023F00090](https://openairdocs.org/sdr/2023F00090), Mar 9, 2023: INDICATOR. INOPERATIVE. STBY HORIZON INOP. CANCELLED FLIGHT. CORRECTIVE ACTION: REMOVED AND REPLACED STBY ATTITUDE INDICATOR IAW AMM 34-247-01 AND AMM 34-24-00. SYSTEM TEST WITHOUT DIS
- [SDR 2022F00272](https://openairdocs.org/sdr/2022F00272), Jun 26, 2022: NONE. NONE. QRF VUELO 674. PACK TRP OFF LEFT SIDE ILLUMINATE AND BLEED TRIP OFF LIGHT ILLUMINATED RIGHT SIDE. CORRECTIVE ACTION. DIUPATCH IAW MEL 21-01-01 CAT C FOR PACK TR
- [SDR 2022FA0000267](https://openairdocs.org/sdr/2022FA0000267), May 19, 2022: NONE. NONE. DURING EXECUTION OF TASK CARD 55-880-00-01 CRACK WAS FOUND BETWEEN STA101.90 AND STA 129.50 ON LH HORIZONTAL STABILIZER SKIN. CRCK BETWEEN STA92.70 AND STA101.9
- [SDR 2021F00027](https://openairdocs.org/sdr/2021F00027), Feb 9, 2021: SWITCH. OUT OF ADJUST. LANDING GEAR FAULT CODE: 326 075 00 AFTER TAKE OFF LANDING GEAR LEVER WAS MOVED TO UP BUT ALL LIGHTS GREEN & RED WERE DISAGREE AND THE GEAR IN DOWN POSITION. QR
- [SDR 2019FA0000417](https://openairdocs.org/sdr/2019FA0000417), Nov 15, 2019: WINDOW FRAME. CRACKED. WINDOW 3R FORWARD FRAME HAS A CRACK. CORRECTIVE ACTION: RIGHT SIDE NO. 3 WINDOW FRAME REPAIRED IAW OT BOA-19-9601.
- [SDR 2019FA0000348](https://openairdocs.org/sdr/2019FA0000348), Oct 6, 2019: ANTI-ICE VALVE. FAILED. ANTI-ICE FRM 30 20 50 52 (ENGINE COWL TAI VALVE ENG #2 INOP) QRF PERFORMED TO SLCB AIRPORT. CORRECTIVE ACTION:WAS REPLACED ENGINE COWL TAI VALVE #2 IAW AMM 30-2
- [SDR 2019FA0000331](https://openairdocs.org/sdr/2019FA0000331), Oct 6, 2019: ANTI-ICE VALVE. FAILED. ANTI-ICE FRM. 30 20 50 52 (ENGINE COWL TAI VALVE ENG.#2 INOP) QRF TO SLCB. CORRECTIVE ACTION: WAS REPLACED ENGINE COWL TAI VALVE ENG. #2 IAW AMM 30-21-11/401 AN
- [SDR 2018FA0000481](https://openairdocs.org/sdr/2018FA0000481), Nov 14, 2018: WARNING MESSAGE. ILLUMINATED. GEAR DISAGREE THE LANDING GEAR LEVER WAS MOVED TO THE UP POSITION AFTER T/O ALL RED AND GREEN LANDING GEAR INDICATOR LIGHTS WERE ILLUMINATED THE LEVER WAS MOVED
- [SDR 2018F00152](https://openairdocs.org/sdr/2018F00152), Apr 1, 2018: CONTROL PANEL. FAILED. AFTER TAKEOFF, MCP WAS NOT WORKING PROPERLY, BUTTONS FROZE. REPLACED THE MCP.
- [SDR 2017F00163](https://openairdocs.org/sdr/2017F00163), Sep 22, 2017: UNKNOWN. OUT OF ADJUST. DURING CLIMB APPROXIMATELY FL 230 MASTER CAUTION WITH OVERHEAD PASS OXY LIGHT ON. WAS PERFORMED PRESSURIZATION SYSTEM ADJUSTMENT TEST. IN ENGINE RUNNUP OK. NO F
- [SDR CA150908005](https://openairdocs.org/sdr/CA150908005), Jul 6, 2015: HOUSING. PUNCTURED. (CAN) WAS UNABLE TO FILE A SDR ON LINE AS THE MANUFACTURER WAS NOT ON THE LIST. SYSTEM WOULD NOT ACCEPT ENTRY WITHOUT MANUFACTURER NAME.CREW REPORTED NO WATER O
- [SDR TSAA0836017](https://openairdocs.org/sdr/TSAA0836017), Mar 22, 2008: CONTROL VALVE. FAILED. ETOPS FLIGHT 841 SNA-HNL - DURING CLIMB, THE CREW NOTED THE RIGHT ENGINE BLEED TRIPPED OFF. THE CREW WAS UNABLE TO RESET THE SYSTEM AND DIVERTED TO ONT. THE AIR
- [SDR TSAA0749010](https://openairdocs.org/sdr/TSAA0749010), Jan 27, 2007: OIL COOLER. UNKNOWN. AIRCRAFT GROUND EVENT IN SNA, THE APU AUTO SHUTDOWN FOR HIGH OIL TEMPERATURE INDICATION AND FAULT CODE 49-91005. MAINTENANCE PERFORMED FIM TASK 49-90-00-810-801
- [SDR TSAA0749011](https://openairdocs.org/sdr/TSAA0749011), Jan 27, 2007: APU. SHUTDOWN. AIRCRAFT GROUND EVENT IN KOA. THE APU AUTO SHUTDOWN FOR LOW OIL PRESSURE INDICATION. MAINTENANCE VISUALLY CHECKED OIL LEVEL AND VERIFIED AT FULL. THE APU WAS RE
- [SDR TSAA0749009](https://openairdocs.org/sdr/TSAA0749009), Jan 26, 2007: APU. SHUTDOWN. AIRCRAFT GROUND EVENT IN OGG, THE APU AUTO SHUTDOWN FOR LOW OIL PRESSURE INDICATION. MAINTENANCE COMPLIED WITH FIM TASK 49-90-00-810-803. INSPECTED THE LOW OIL 
- [SDR TSAA0727007](https://openairdocs.org/sdr/TSAA0727007), Jan 15, 2007: SENSOR. FAILED. ETOPS FLIGHT 476 OGG-SAN - WHEN CREW MOVED THE FLAP LEVER, THE FLAPS WOULD NOT DEPLOY DUE TO ASYMMETRY INDICATION. CREW DECLARED AN EMERGENCY AND DETERMINED 2 D
- [SDR TSAA0724008](https://openairdocs.org/sdr/TSAA0724008), Jan 13, 2007: IDG. FAILED. NON-ETOPS FLIGHT 483 RNO-SNA. AFTER ENGINE START, CREW NOTED THE NR 1 ENGINE IDG DRIVE LIGHT ILLUMINATED. CREW DISCONNECTED THE NR 1 IDG AND RETURNED TO GATE WI
- [SDR TSAA0623117](https://openairdocs.org/sdr/TSAA0623117), Dec 10, 2006: COUPLER. FAILED. ETOPS FLT 478 KOA-OAK. AFTER THE NR 2 HF PASSED THE FLIGHT VERIFICATION FROM FLIGHT 477 (PREVIOUS FLIGHT LEG), THE NR 2 HF LATER BECAME UNABLE TO TRANSMIT DURIN
- [SDR TSAA0623116](https://openairdocs.org/sdr/TSAA0623116), Dec 10, 2006: TRANSCEIVER. FAILED. ETOPS FLT 477 OAK-KOA - DURING CRUISE FLIGHT, CREW NOTED THAT THE NR 2 HF RADIO WOULD NOT TRANSMIT. CREW CONTINUED TO KOA WITHOUT FURTHER INCIDENT. MAINTENANCE 
- [SDR TSAA0623111](https://openairdocs.org/sdr/TSAA0623111), Nov 26, 2006: RADIO. FAILED. FLIGHT 478 KOA-OAK - DURING CRUISE FLIGHT, CREW NOTED THE NR 2 HF RADIO WOULD NOT TRANSMIT VOICE. CREW CONTINUED TO OAK WITHOUT FURTHER INCIDENT. MAINTENANCE PE
- [SDR TSAA0680100](https://openairdocs.org/sdr/TSAA0680100), Nov 11, 2006: WARNING LIGHT. FALSE ACTIVATION. NON-ETOPS FLT 467 SNA-SMF. ON CLIMB FROM SNA CREW NOTED THE CROSSBLEED WARNING INDICATION ABOVE THE NR 1 ENGINE N1 ON THE DISPLAY UNIT. THIS ITEM WAS ON A FLIGH
- [SDR TSAA0624094](https://openairdocs.org/sdr/TSAA0624094), Nov 6, 2006: IDG. FAILED. DURING CRUISE FLIGHT, CREW NOTED NR 2 GENERATOR OFF BUS AND SOURCE LIGHTS ILLUMINATED. CREW DISCONNECTED THE NR 2 IDG. CREW LANDED IN OAK WITHOUT FURTHER INCIDE
- [SDR TSAA0623098](https://openairdocs.org/sdr/TSAA0623098), Oct 27, 2006: RADIO. FAILED. DURING CRUISE FLIGHT THE CREW NOTED THE NR 2 HF RADIO WOULD NOT TRANSMIT ON ANY FREQUENCY. CREW LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE REMOVED AND REINSTA
- [SDR TSAA0624085](https://openairdocs.org/sdr/TSAA0624085), Oct 3, 2006: IDG. MALFUNCTIONED. ETOPS FLT 482 HNLSNA. IN CRUSE FLIGHT, CREW NOTED THE NR 2 GENERATOR (DRIVE) WARNING LIGHT ILLUMINATED. CREW DISCONNECTED THE NR 2 IDG AND COMPLETED THE FLIGHT 
- [SDR ASMF200606011](https://openairdocs.org/sdr/ASMF200606011), Jun 20, 2006: WARNING LIGHT. ILLUMINATED. AIRCRAFT RETURNED TO PLATFORM (L ENG CONTROL) LIGHT TURNED ON. FIM 73-06 PROCEDURE TASK 801 WAS PERFORMED AND LT ENGINE STARTED NORMALLY. DURING OVERNIGHT CHECK
- [SDR ASMF200606010](https://openairdocs.org/sdr/ASMF200606010), Jun 19, 2006: INDICATOR. FAILED. AIRCRAFT RETURNED TO PLATFORM, TAT INDICATION VARIATIONS WERE SHOWED. FIM 34-21 PROCEDURE TASK 813 WAS PERFORMED, BUT FAIL CONTINUED. FAILURE WAS DEFERRED IAW M
- [SDR TSAA0621015](https://openairdocs.org/sdr/TSAA0621015), Mar 8, 2006: COOLING FAN. DEFECTIVE. AIRCRAFT IN CRUISE EQUIPMENT COOLING EXHAUST OFF LIGHT ILLUMINATED IN BOTH NORMAL AND ALTERNATE MODES. CREW ABORTED FLIGHT PER SOCC AND RETURNED TO SNA. DEFERRE
- [SDR TSAA0632003](https://openairdocs.org/sdr/TSAA0632003), Jan 6, 2006: INDICATION SYS. MALFUNCTIONED. HNL-SNA: AFTER LANDING GEAR WAS EXTENDED FOR LANDING, FWD PANEL GEAR LIGHT INDICATORS SHOWED 3 GREEN AND 3 RED. OVERHEAD PANEL LIGHTS INDICATED 3 GREEN. LANDING
- [SDR ASMF200511007](https://openairdocs.org/sdr/ASMF200511007), Nov 10, 2005: RELAY. FAILED. AIRCRAFT RETURNED OF FLIGHT AS A CONSEQUENCE OF DURING CLIMB LEFT PACK TRIP OFF LIGHT TURNED ON. THE OPERATIONAL PROCEDURE WAS PERFORMED, FLYING AT 250 FL. THE 
- [SDR TSAA0549046](https://openairdocs.org/sdr/TSAA0549046), Oct 9, 2005: FCU. DEFECTIVE. DURING PREFLIGHT CHECK, APU AUTO SHUTDOWN ON RAMP, SENSING LOW OIL PRESSURE. T/S IAW FIM 49-90/802-803 TROUBLESHOT IAW FIM. REPLACED APU LUBE MODULE TASK 49-91-
- [SDR TSAA0549045](https://openairdocs.org/sdr/TSAA0549045), Oct 8, 2005: SWITCH. DEFECTIVE. AUTO SHUTDOWN LOW OIL PRESSURE OCCURRED ON RAMP. TROUBLESHOT IAW FIM 49-90-00-810-803 FOUND APU LOP INOP. REPLACED APU LOP, OPS CHECK OK. LEAK CHECK OK. NO DEFE
- [SDR TSAA0532020](https://openairdocs.org/sdr/TSAA0532020), Apr 28, 2005: TIRE. WORN. SNA-OGG: WHEN ADDING FULL POWER, THE AIRCRAFT DEVIATED FROM THE CENTER LINE. TERMINATED TAKEOFF, NOSE WHEEL SCRUBBING OCCURRED. RETURNED TO GATE. INSPECTED THE 
- [SDR ASMF200503015](https://openairdocs.org/sdr/ASMF200503015), Mar 15, 2005: ENGINE. MALFUNCTIONED. AIRCRAFT RETURNED TO PLATFORM AS A CONSEQUENCE OF DURING RIGHT ENGINE STARTED, N1 WAS INCREASED SLOWLY AFTER EGT INDICATION. THE FAULT ISOLATION PROCEDURE 80-07
- [SDR TSAA0527016](https://openairdocs.org/sdr/TSAA0527016), Mar 12, 2005: SENSOR. INTERMITTENT. ON APPROACH, FLAPS STUCK AT 5 DEGREES. NO OTHER WARNING INDICATIONS. SET FLAPS USING ALTERNATE FLAP UNIT. UNEVENTFUL LANDING AT ONT. MAINTENANCE PERFORMED FSEU 
- [SDR TSAA0538010](https://openairdocs.org/sdr/TSAA0538010), Feb 28, 2005: HANDLE. UNKNOWN. NO WATER PRESSURE AVAILABLE. RETURNED TO OGG. OVERWEIGHT LANDING MADE AT 142,000 LBS. SMOOTH LANDING. MAINTENANCE RESET THE POTABLE WATER SERVICE HANDLE AT THE 
- [SDR ASMF200502011](https://openairdocs.org/sdr/ASMF200502011), Feb 19, 2005: PROXIMITY SWITCH. MALFUNCTIONED. AIRCRAFT RETURNED TO PLATFORM AS A CONSEQUENCE OF AFTER ENGINES STARTED, PSEU LIGHT TURNED ON. BITE WAS PERFORMED TO THE PROXIMITY SWITCH SHOWING 32-62005 AND 2
- [SDR TSAA0452055](https://openairdocs.org/sdr/TSAA0452055), Jul 22, 2004: RELAY. FAILED. THE LT OVER-WING EXIT LIGHT ILLUMINATED DURING TAKE-OFF AT 15 KTS. REJECTED TAKE-OFF AND RETURNED TO GATE. VERIFIED THAT THE LT OVER-WING EXIT DOOR WAS CLOSED A
- [SDR TSAA0452045](https://openairdocs.org/sdr/TSAA0452045), Jun 8, 2004: RELAY. FAILED. FLIGHT 442, HNL-OAK: RIGHT OVERWING EXIT DOOR OPEN LIGHT ILLUMINATED ON TAKEOFF ROLL, TAKEOFF REJECTED. PSEU SELF-TEST INDICATES MSG 52-76018. DEFER RIGHT OVERW
- [SDR TSAA045204506](https://openairdocs.org/sdr/TSAA045204506), Jun 8, 2004: RELAY. FAILED. FLIGHT 442, HNL-OAK: RIGHT OVERWING EXIT DOOR OPEN LIGHT ILLUMINATED ON TAKEOFF ROLL, TAKEOFF REJECTED. PSEU SELF-TEST INDICATES MSG 52-76018. DEFER RIGHT OVERW
- [SDR TSAA0427044](https://openairdocs.org/sdr/TSAA0427044), Jun 2, 2004: ACTUATOR. FAILED. FLIGHT 482, HNL-SNA: L/E FLAP TRANSIT LIGHT REMAINED ON AFTER TAKEOFF, QRH COMPLETED AND RETURN TO HNL. WEIGHT ON LANDING APPROXIMATELY 150,000 LBS, LOW SINK RA
- [SDR TSAA0427038](https://openairdocs.org/sdr/TSAA0427038), Apr 24, 2004: ACTUATOR. FAILED. L/E FLAP TRANSIT LIGHT ON AFTER FLAP RETRACTION. SOME LEADING EDGE DEVICES REMAIN EXTENDED. OVERWEIGHT LANDING 151,300 LBS AT 50 FEET PER MINUTE. PHASE 1A REF 0
- [SDR TSAA0449036](https://openairdocs.org/sdr/TSAA0449036), Apr 1, 2004: APU. FAILED. APU LOW OIL PRESSURE LIGHT CAME ON. FAULT 49-911007, INSPECTED APU, NO OIL IN TANK. ADDED 5 QTS. EVIDENCE OF OIL LEAK ON APU SHROUD. REMOVED AND REPLACED APU IA
- [SDR TSAA0321201](https://openairdocs.org/sdr/TSAA0321201), Dec 17, 2003: SEAL. FAILED. FLT 482 - SNA-RNO - ON TAKEOF, THE FORWARD ENTRY DOOR FAILED TO SEAL. DIVERTED TO BUR. ON ARRIVAL OF AIRCRAFT, NOTICED L1 DOOR NOT CLOSED PROPERLY AND SEALED, N
- [SDR TSAA0231174](https://openairdocs.org/sdr/TSAA0231174), Aug 11, 2002: DISPLAY. FAILED. DURING CLIMB TO CRUISE ALTITUDE THE ALTIMETER INDICATION, SPEED INDICATION, FLIGHT MODE ANNUNCIATOR, VOR 1, AND DME 1 ANNUNCIATOR FLAGS ILLUMINATED ON THE FIRST
- [SDR TSAA0234166](https://openairdocs.org/sdr/TSAA0234166), Jul 25, 2002: PITOT TUBE. OBSTRUCTED. DURING TAKEOFF ROLL THE CAPTAINS AIRSPEED INDICATOR ACCELERATED SLOWER THAN THE FIRST OFFICERS AIRSPEED INDICATOR. AFTER LIFT-OFF, THE AIRCRAFT EXPERIENCED AN E
- [SDR 2001F00723](https://openairdocs.org/sdr/2001F00723), Nov 16, 2001: SENSOR. MALFUNCTIONED. FLT 100 - HNL-KOA - DURING THE REPOSITIONING FLIGHT, LEFT DUCT PRESSURE IN CLIMB VARIABLE 23-30 PSI. RIGHT DUCT PRESSURE 40-45 PSI IN CLIMB. LEVEL FLIGHT, LEFT 

All 55: https://openairdocs.org/model/boeing-737-73a/reports.md

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.