# Boeing 737-33A

- Type: Aircraft model (FAA registry)
- Registry code: 1384673
- Manufacturer (registry): BOEING
- Model: 737-33A
- Aircraft type: Fixed wing multi engine
- Category: Airplane
- Engines: 2 · Turbo-fan
- Seats: 149
- Weight class: 20,000 lb and over
- Certification: Type certificated
- Registered aircraft: 0
- Page: https://openairdocs.org/model/boeing-737-33a

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 (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB FTW94IA046](https://openairdocs.org/ntsb/FTW94IA046), Dec 8, 1993: Boeing 737-33A (N166AW), Dfw Airport, TX, incident, minor damage. Probable cause: A FAILURE BY THE PILOT-IN-COMMAND TO ATTAIN A STABILZED APPROACH. FACTORS WERE THE FOG AND FAILURE OF THE COPILOT TO MONITOR THE APPROACH.

## FAA accident and incident reports (15)

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [Incident 19970107011209I](https://openairdocs.org/incident/19970107011209I), Jan 7, 1997: Boeing 73733A (N174AW), Salt Lake City, UT, Minor damage. Narrative: a/c returned to slc with smoke in the cockpit. It was later learned that there was no smoke in the cockpit, but just the smell of a bird that the…
- [Incident 19961026038119I](https://openairdocs.org/incident/19961026038119I), Oct 26, 1996: Boeing 737300 (N165AW), Kansas City, MO. Narrative: on 10/26/96, america west flight 2404 was en route phx to stl, when there was an electrical power loss on the right half of the console. The crew…
- [Incident 19950306007619I](https://openairdocs.org/incident/19950306007619I), Mar 6, 1995: Boeing 737300 (N164AW), Omaha, NE, Minor damage. Narrative: aircraft was pushed back from Eppley Airfield gate 11 after being dispatched with an inoperative APU. Engine #2 was started using external air. It…
- [Incident 19941004039189I](https://openairdocs.org/incident/19941004039189I), Oct 4, 1994: Boeing 73733A (N164AW), Omaha, NE, Minor damage. Left engine injested a duck on climbout. Returned safely. FOD to engine.
- [Incident 19931208049939I](https://openairdocs.org/incident/19931208049939I), Dec 8, 1993: Boeing 73733A (N166AW), Dallas-Ft Worth, TX, Minor damage. Pilot landed short of runway. Executed a go around. Weather went below minimums. Proceeded to houston.
- [Incident 19921118052189I](https://openairdocs.org/incident/19921118052189I), Nov 18, 1992: Boeing 73733A (N164AW), San Diego, CA. Smoke in cockpit from APU before departure. Started smoking again after departure. Returned. Landed safely.
- [Incident 19921018049759I](https://openairdocs.org/incident/19921018049759I), Oct 18, 1992: Boeing 73733A (N169AW), Boston, MA, Minor damage. Struck a fuel truck while parking at gate. Was under direction of lead marshaller. Truck inside safety circle.
- [Incident 19920607024199I](https://openairdocs.org/incident/19920607024199I), Jun 7, 1992: Boeing 73733A (N168AW), Portland, OR. Cabin pressure climbed en route. Diverted for landing. Aft pit door seal had failed.
- [Incident 19911215060019I](https://openairdocs.org/incident/19911215060019I), Dec 15, 1991: Boeing 73733A (N169AW), Santa Ana, CA. Due to cockpit TCAS noise crew missed ATC call for a turn. No loss of separation or terrain problem.
- [Incident 19911213060239I](https://openairdocs.org/incident/19911213060239I), Dec 13, 1991: Boeing 73733A (N168AW), Santa Ana, CA. Pilot reacted to TCAS .overshot assigned altitude. Caused alert to another aircraft. No loss of separation.
- [Incident 19910602023629I](https://openairdocs.org/incident/19910602023629I), Jun 2, 1991: Boeing 73733A (N164AW), Kansas City, MO, Minor damage. Bird strike on NR1 engine on initial climb. Declared an emergency. Returned. Landed safely.
- [Incident 19901221062289I](https://openairdocs.org/incident/19901221062289I), Dec 21, 1990: Boeing 73733A (N173AW), Wichita, KS. Captain made a nonscheduled stop at Wichita due to a passenger needing medical assistance.
- [Incident 19900425032089I](https://openairdocs.org/incident/19900425032089I), Apr 25, 1990: Boeing 73733A (N173AW), Moline, IL. Pilot became ill en route. First officer with assistance from a flight attendant declared emergency and landed.
- [Incident 19891108057609I](https://openairdocs.org/incident/19891108057609I), Nov 8, 1989: Boeing 73733A (N174AW), Burbank, CA. Smoke from right gear after landing. Deplaned on ramp. Found leaking brake line.
- [Incident 19890614039869I](https://openairdocs.org/incident/19890614039869I), Jun 14, 1989: Boeing 73733A (N165AW), Des Moines, IA. Nose gear unsafe light on. Made missed approach. Gear appeared down. Landed without incident.

## Service difficulty reports (1,809, newest 50)

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

- [SDR 2026F00072](https://openairdocs.org/sdr/2026F00072), Apr 16, 2026: ENGINE. DAMAGED. FLIGHT 576, M-022 170V EGT OVER RED LINE DURING TAKE OFF ROLL EGT REACHED 941 C. M-023 170V ENGINE LIMIT DURING CLIMB A DIFFERENCE AT 80 C BETWEEN ENG #1 AND #2
- [SDR 2025F00114](https://openairdocs.org/sdr/2025F00114), Apr 27, 2025: DUCT. BROKEN. QRF TO SLCB FLIGHT 8532 DUE TO THE FOLLOWING: 1) LH WING BODY OVERHEAT LIGHT ILLUMINATED DURING CRUISE FL3500 FOLLOWED BY CABIN ALTITUDE WARNING ILLUMINATED. 2)
- [SDR 2024F00325](https://openairdocs.org/sdr/2024F00325), Dec 26, 2024: VALVE. FAILED. QRF A CBB EN RUTA CBB/TJA VLO 532. DURING CLIMB CABIN DOES NOT MAINTAIN PRESSURIZATION, CABIN RATE 1000 FT/MIN LEFT PACK DOES NOT WORK
- [SDR 2024F00279](https://openairdocs.org/sdr/2024F00279), Nov 10, 2024: OIL COOLER. FAILED. GEN#1 LOW OIL PRESS ILLUMINATED, LOW OIL ALSO ON VOLTIMETER. GEN WAS DISCONNECTED. APU DID NOT START AFTER 3 ATTEMPTS. CORRECTIVE ACTION: WAS REPLACED THE FILTE
- [SDR 2024F00238](https://openairdocs.org/sdr/2024F00238), Sep 2, 2024: REGULATOR. FAILED. ENGINE #1 BLEED WITH NO PRESSURE DURING ALL THE FLIGHT. CORRECTIVE ACTION: HAS BEEN REPLACED ENG#1 BLEED AIR REGULATOR AND WAS PERFOMRED RUNNUP TEST. DUCT PRESS
- [SDR 2024F00198](https://openairdocs.org/sdr/2024F00198), Aug 16, 2024: REGULATOR. FAILED. QRF TO SLCB AFTER TAKEOFF DUE TO DUCT PRESSURE DROPED TO CERO (CROSSIING 15.000FT) AND THE RIGHT DUCT WAS UNNABLE TO MANTAIN PRESSURIZATION CONTROL. CLIMB 1000F
- [SDR 2024F00125](https://openairdocs.org/sdr/2024F00125), Apr 30, 2024: REGULATOR. FAILED. QRF SRE/SRE DUE TO CABIN ALTITUDE WARNING AFTER TAKEOFF AND CLIMB WITH INDICATION RIGHT POINTER IN ZERO, REMAINING PACK UBNABLE TO CONTROL CABIN. CABIN CLIMB WI
- [SDR 2024F00122](https://openairdocs.org/sdr/2024F00122), Apr 24, 2024: BLADE. DEFORMED. ENGINE#2 HIGH VIBRATION AND NOISE DURING ALL PHASES OF FLIGHT VLO 634 CBB/VVI. CORRECTIVE ACTION: WAS REPLACED FAN BLADES ROTOR 310 AND#29. PERFORMED TEST #7 VI
- [SDR 2023F00137](https://openairdocs.org/sdr/2023F00137), May 9, 2023: UNKNOWN. UNKNOWN. AIR SYSTEM DURING CLIMB CABIN ALTITUDE INDICATOR EXCEEDED 1000FT WITH INDICATION OF CABIN ALTITUDE. CORRECTIVE ACTION: HAS BEEN PERFORMED T/S "AIRPLANE CANNOT M
- [SDR 2023F00042](https://openairdocs.org/sdr/2023F00042), Jan 30, 2023: BOLT. SHEARED. IN WALK AROUND WE FOUND TIEBOLT BROKEN ON TIRE #3. CORRECTIVE ACTION MLG TIRE #3 REPLACED IAW AMM 32-45-11/401
- [SDR 2022F00472](https://openairdocs.org/sdr/2022F00472), Nov 18, 2022: COMPUTER. INOPERATIVE. FLIGHT DIVERTED TO SLCB DUE TO AUTO PILOTO NOT ENGEGNG BOTH LH AND RH. CORRECTIVE ACTION: WAS REPLACED FCC RH IAR AMM22-11-33/401. OPERATIONAL TEST ON GROUND OK
- [SDR 2022F00262](https://openairdocs.org/sdr/2022F00262), Jun 6, 2022: BLEED VALVE. FAILED. L BLEED TRIPOFF LIGHT ILLUMINATED AFTER TAKEOFF, CABIN RATE OF CLIMB SHOWED 2500FT/MIN, CABIN ALTITUD WARNING WAS ACTIVATED. AIRCRAFT WAS NOT PRESSURIZING. CORR
- [SDR 2022F00186](https://openairdocs.org/sdr/2022F00186), Apr 10, 2022: ENGINE. DAMAGED. ENGINE #1 AT 90 KTS WE HAD ENGINE SURGE OR STALL (TWICE) RTO RWY 14 TOW 46.7. BOROSCOPE INSPECTION DAMAGE OUT OF LIMITS.
- [SDR 2022F00128](https://openairdocs.org/sdr/2022F00128), Mar 12, 2022: METERING VALVE. FAILED. REJECTED TAKEOFF, ON T/O ROLL AIRPLANE STARTED TO GAIN SPEED AND SUDDENTLY WHEELS FELT AS PULLING TO THE LEFT WHILE AIRPLANE TAKING US OUT OF RUNWAY. WE TRIED T
- [SDR 2022F00021](https://openairdocs.org/sdr/2022F00021), Jan 4, 2022: NONE. NONE. CRACK ON REAR WALL NOSE LANDIUNG GEAR WHEEL WELL (RIGHT SIDE REAR WALL WITH CRACK ON BS 294.5 NOSE LANDING GEAR WHEEL WELL. TOTAL LENCHT 1,7 INCH) AIRCRAFT CYCL
- [SDR 2021FA0000008](https://openairdocs.org/sdr/2021FA0000008), Jan 9, 2021: PRECOOLER. LEAKING. STRONG LEAK AIR BY THE BLEED AIR PRECOOLER RIGHT ENGINE. CORRECTIVE ACTION: HAS BEEN PERFORMED REMOVAL AND INSTALLATION BLEED AIR PRECOOLER, IAW AMM 36-12-25/40
- [SDR 2021FA0000007](https://openairdocs.org/sdr/2021FA0000007), Jan 9, 2021: OVERHEAT SENSOR. FALSE INDICATION. DURING CLIMB WITH MEL 36-05-02 THE LEFT WING BODY OVERHEAT LIGHT ILLUMINATED. DEVIATION TO DEPARTURE AIRPORT WAS NECESSARY. CORRECTIVE ACTION: INSPECTED DUCT LE
- [SDR 2020F00318](https://openairdocs.org/sdr/2020F00318), Jun 30, 2020: FUEL FILTER. DEFECTIVE. ENGINE INDICATING FLUCTUATES, ENGINE 1 HIGH EGT DURING ENGINE START, T/O, IN FLIGHT, ENG.INDICATIONS FLUCTUATES N1, N2, EGT, F/F. HAS BEEN REPLACED FUEL FILTER 
- [SDR CA190703008](https://openairdocs.org/sdr/CA190703008), Jun 30, 2019: STARTER. FAILED. (CAN) 4 SECONDS AFTER ENGINE STARTER ENGAGE, N2 RPM STARTED DROPPING. SLIGHT SOUND DURING STARTER FAILURE BUT MOSTLY UNNOTICEABLE FROM THE FLIGHT DECK. THE STAR
- [SDR 2019FA0000178](https://openairdocs.org/sdr/2019FA0000178), Jun 7, 2019: BLADE. DAMAGED. AFTER LIFT OFF AT LEMD HIGH VIBRATION INDICATION ON ENGINE #2 (5 UNITS) ACCOMPAINED WITH AIRFRAME VIBRATION, FLIGHT WAS RETURNED TO LEMD. ADDITIONAL COMMENTS: F
- [SDR 2019F00078](https://openairdocs.org/sdr/2019F00078), Oct 19, 2018: IRU. FAULTY. AT 15:35 QEF TO SLCB DUE TO LOSS OF BOTH IRUS (BOTH IRUS FAULT). CORRECTIVE ACTION: HAS BEEN CHANGED IRU #1 AND IRU #2 IAW AMM 34-28-31.
- [SDR 2019F00028](https://openairdocs.org/sdr/2019F00028), Jul 12, 2018: UNKNOWN. MALFUNCTIONED. AFTER TAKEOFF WITH BLEEDS IN AUTO, PASSING FL200 MASTER CAUTION AND PASS OXY ON LIGHT ILLUMINATED, ALL OXYGEN MASKS DROPS. THEN RECYCLING BOTH PACKS THE AIRCRAF
- [SDR 2018FA0000093](https://openairdocs.org/sdr/2018FA0000093), Mar 6, 2018: BLEED VALVE. FAILED. BLEED TRIP OFF LIGHT ILLUMINATE DURING TAKEOFF. REPLACED BLEED AIR REGULATOR THE NR 1 ENGINE.
- [SDR 2017FA0000473](https://openairdocs.org/sdr/2017FA0000473), Aug 11, 2017: CABIN PRESSURE. MALFUNCTIONED. AFTER TAKEOFF, DURING A TURN, RECEIVED AN AUTO PACK TRIP OFF LIGHT. DURING PROCEDURE THE OXYGEN MASK DROPPED ON AND START SOUND. PERFORMED TROUBLESHOOTING IAW A
- [SDR 2017F00120](https://openairdocs.org/sdr/2017F00120), Aug 2, 2017: VALVE. FAULTY. QRF TO ORIGIN AIRPORT DUE TO LEFT PACK TRIP OFF LIGHT ILLUMINATES FOLLOWED OF CABIN CLIMB OF 3000 FT/MIN UNCONTROLLABLE. PILOT DECIDED TO PERFORM IMMEDIATE DESC
- [SDR A8ZR20170504006](https://openairdocs.org/sdr/A8ZR20170504006), Dec 16, 2016: SEAT TRACK. CORRODED. SEAT TRACK 867-948 & RBL 48 HAS CORROSION.
- [SDR A8ZR20170504003](https://openairdocs.org/sdr/A8ZR20170504003), Dec 16, 2016: SEAT TRACK. CORRODED. SEAT TRACK AT BS 887-927 & LBL 48 HAS CORROSION.
- [SDR A8ZR20170504005](https://openairdocs.org/sdr/A8ZR20170504005), Dec 13, 2016: SEAT TRACK. CORRODED. SEAT TRACK AT BS 867-948 & RBL 24 HAS CORROSION.
- [SDR A8ZR20170504002](https://openairdocs.org/sdr/A8ZR20170504002), Dec 13, 2016: FLOORBEAM. CORRODED. FLOORBEAM AT BS 987 & LBL24-RBL24 UPPER CHORD HAS CORROSION.
- [SDR A8ZR20170504004](https://openairdocs.org/sdr/A8ZR20170504004), Dec 9, 2016: SEAT TRACK. CORRODED. SEAT TRACK AT BS 907-947 & LBL 24 HAS CORROSION.
- [SDR A8ZR20170504009](https://openairdocs.org/sdr/A8ZR20170504009), Nov 8, 2016: FLOORBEAM. CORRODED. FLOORBEAM AT BS 927 & LBL24-LBL 60 HAS CORROSION.
- [SDR A8ZR20170504010](https://openairdocs.org/sdr/A8ZR20170504010), Nov 4, 2016: FLOORBEAM. CORRODED. FLOORBEAM AT BS 344 & LBL 55-RBL 20 HAS CORROSION.
- [SDR A8ZR20170504007](https://openairdocs.org/sdr/A8ZR20170504007), Nov 2, 2016: FLOORBEAM. CORRODED. FLOORBEAM AT BS 967 & LBL 20.6-RBL 112 HAS CORROSION.
- [SDR A8ZR20170504001](https://openairdocs.org/sdr/A8ZR20170504001), Nov 2, 2016: DOUBLER. CORRODED. REPAIR DOUBLER FROM BS 887-927 & S21R-S23R HAS CORROSION.
- [SDR A8ZR20170504008](https://openairdocs.org/sdr/A8ZR20170504008), Oct 13, 2016: FLOORBEAM. CORRODED. FLOORBEAM AT BS 947 & LBL 20.6-RBL 20.6 HAS CORROSION.
- [SDR A8ZR20170504012](https://openairdocs.org/sdr/A8ZR20170504012), Sep 17, 2016: SPAR. CORRODED. RT WING FRONT SPAR WEB AT FSS 101 HAS CORROSION.
- [SDR A8ZR20170504011](https://openairdocs.org/sdr/A8ZR20170504011), Sep 17, 2016: SPAR. CORRODED. LT WING FRONT SPAR WEB AT FSS 100 HAS CORROSION.
- [SDR HALA10121600588A](https://openairdocs.org/sdr/HALA10121600588A), Dec 16, 2010: ACTUATOR. MALFUNCTIONED. AFTER ENG START SPOILERS EICAS REMAINED ON. PERFORMED BITE CK ON SPOILER SYS CONTROLLER & FOUND PCA 9 SPOILER FAULT. REMOVED & REPLACED NR 9 OTBD SPOILER ACTUAT
- [SDR USAA2009081192083](https://openairdocs.org/sdr/USAA2009081192083), Aug 2, 2009: STRAP. CRACKED. MCN - LEASE RETURN - MAJOR REPAIR - TWO (2) CRACKS ON SKIN SPLICE STRAP AT BS 360, BETWEEN LBL 20 TO RBL 20. REPLACED SKIN SPLICE STRAP AT BS 360, BETWEEN LBL 2
- [SDR USAA2009081192080](https://openairdocs.org/sdr/USAA2009081192080), Jul 28, 2009: SKIN. CRACKED. MCN - LEASE RETURN - MAJOR REPAIR - FOUR (4) CRACKS ON SKIN AT BS 500 + 10 INCHES, BS 500B, BS 500D, BS 520, S10R. REPAIRED SKIN AT BS 500 + 10 INCHES, BS 500B,
- [SDR USAA2009080592021](https://openairdocs.org/sdr/USAA2009080592021), Jul 23, 2009: STRINGER. CRACKED. MCN - LEASE RETURN - MAJOR REPAIR - NR 6177403 - FUSELAGE STRINGER CRACKED AT BS440, S4L. REPAIRED FUSELAGE STRINGER AT BS440, S4L IAW B737 SRM 53-00-03-2R4.
- [SDR USAA2009081192082](https://openairdocs.org/sdr/USAA2009081192082), Jul 22, 2009: STRINGER. CRACKED. MCN - LEASE RETURN - MAJOR REPAIR - CRACK ON STRINGER AT BS 827, S14L. REPAIRED STRINGER AT BS 827, S14L IAW B737-300 SRM 53-00-03-2R1.
- [SDR USAA2009061791494](https://openairdocs.org/sdr/USAA2009061791494), Jun 17, 2009: LIGHT. LOOSE. MCN - C22 - EEL - L-1 DOOR EXTERIOR EMERGENCY SLIDE LIGHT HAS A LOOSE LAMP SOCKET, LIGHT ONLY WORKS INTERMITTENTLY. REPLACED L-1 DOOR SLIDE LIGHT REFLECTOR ASSE
- [SDR USAA2009061291470](https://openairdocs.org/sdr/USAA2009061291470), Jun 11, 2009: FRAME. CORRODED. MCN - C22 - MAJOR REPAIR - CORROSION ON FUSELAGE FRAME AT BS 847, BL 0. REPAIRED FUSELAGE FRAME AT BS 847, BL 0 IAW B737 SRM 53-00-07-2R3.
- [SDR USAA2009061291469](https://openairdocs.org/sdr/USAA2009061291469), Jun 11, 2009: STRINGER CLIP. CRACKED. MCN - C22 - MAJOR REPAIR - CRACK ON STRINGER TIE CLIP AT BS 727E, S23R. REPLACED STRINGER TIE CLIP AT BS 727E, S23R IAW B737 SRM 51-40-02.
- [SDR USAA2009061291464](https://openairdocs.org/sdr/USAA2009061291464), Jun 11, 2009: STRINGER CLIP. CRACKED. MCN - C22 - MAJOR REPAIR - CRACK ON STRINGER TIE CLIP AT BS 727D, S23R. REPLACED STRINGER TIE CLIP AT BS 727D, S23R IAW B737 SRM 51-40-02.
- [SDR USAA2009061891507](https://openairdocs.org/sdr/USAA2009061891507), Jun 8, 2009: SHEAR TIE. CRACKED. MCN - C22 - MAJOR REPAIR - SHEAR TIE CRACKED AT BS 927 BETWEEN S21R TO S22R. REPAIRED SHEAR TIE AT BS 927 BETWEEN S21R TO S22R IAW B737 SRM 53-00-07-2R7.
- [SDR USAA2009062391570](https://openairdocs.org/sdr/USAA2009062391570), Jun 5, 2009: DOUBLER. DEBONDED. MCN - LEASE RETURN - MAJOR REPAIR - DOUBLER DISBONDED ON NR 4 SLAT TRAILING EDGE WEDGE. REPLACED DOUBLER ON NR 4 SLAT TRAILING EDGE WEDGE IAW B737 SRM 51-70-10.
- [SDR USAA2009060891430](https://openairdocs.org/sdr/USAA2009060891430), Jun 2, 2009: STRINGER CLIP. CRACKED. MCN - MAJOR REPAIR - C22 - CRACK ON STRINGER TIE AT BS 390, S16L. REPLACED STRINGER TIE AT BS 390, S16L IAW B737-300 SRM 51-40-02-06 FIG 12.
- [SDR USAA2009060891429](https://openairdocs.org/sdr/USAA2009060891429), Jun 2, 2009: STRINGER CLIP. CRACKED. MCN - MAJOR REPAIR - C22 - CRACK ON STRINGER TIE AT BS 400, S16L. REPLACED STRINGER TIE AT BS 400, S16L IAW B737-300 SRM 51-40-02-06 FIG 12.

All 1,809: https://openairdocs.org/model/boeing-737-33a/reports.md

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