# N644SW: 1997 Boeing 737-3H4 - Status: Valid registration - Airframe: [Boeing 737-3H4](https://openairdocs.org/model/boeing-737-3h4) (registry code 138447K, 149 seats) - Engine: [GE CFM56 series](https://openairdocs.org/engine/ge-cfm56-series) (registry code 30016) - Serial number: 28329 - Year built: 1997 - Type: Fixed wing multi engine - Engine type: Turbo-fan - Airworthiness: Standard, transport - Airworthiness date: March 31, 1997 - Certificate issued: September 3, 2022 - Expires: September 30, 2029 - Mode S code: A875BC - Registered owner: [Prima Air LLC](https://openairdocs.org/faa-owner/PRIMA%20AIR%20LLC) - Location: [Pasadena, CA](https://openairdocs.org/faa-place/CA/Pasadena) - Owner type: LLC - Owner's area on the map: 34.1468° N, 118.1389° W: Placed by OpenAirDocs at the center of ZIP code 91101, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft is based - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=644SW - Page: https://openairdocs.org/aircraft/N644SW From the FAA registry file of October 21, 2026. ADs below are matched by the registry's airframe and engine model codes. They may apply; each AD's applicability can narrow it by serial number, part number or installed equipment. This is not a compliance determination. The registry lists only the engine series, so ADs for every GE CFM56 model are included. ## ADs that may apply (OpenAirDocs): 0 in force ### Matched by airframe (Boeing 737-3H4) None in force. ### Matched by engine (GE CFM56 series) None in force. ## Information bulletins (advisory) None matched. ## NTSB investigations None matched to N644SW. ## FAA accident and incident reports None matched to N644SW. ## Service difficulty reports (291, newest 50) As reported by operators and repair stations. - [SDR SWAA2016122710783](https://openairdocs.org/sdr/SWAA2016122710783), Dec 20, 2016: LENS. MISSING. EMERGENCY LIGHT LENS MISSING AT 2 ABC. INSTALLED THE LENS IAW MM. - [SDR SWAA2016111409626](https://openairdocs.org/sdr/SWAA2016111409626), Nov 10, 2016: SLIDE. LOOSE. R2 DOOR ESCAPE SLIDE COMPARTMENT LOOSE. SECURE SLIDE PER MT. - [SDR SWAA2016093008312](https://openairdocs.org/sdr/SWAA2016093008312), Sep 27, 2016: SLAT. DELAMINATED. RT WING NR 4 LE SLAT DELAMINATED OUTBOARD SIDE AFT EDGE. R&R NR 4 SLAT PER AMM. - [SDR SWAA2016082255023](https://openairdocs.org/sdr/SWAA2016082255023), Aug 14, 2016: ANGLE. CRACKED. LEFT WING TRAILING EDGE ANGLE CRACKED ON RSS. 278. R & R THE ANGLE IAW SRM AND DWG. - [SDR SWAA2016081654868](https://openairdocs.org/sdr/SWAA2016081654868), Aug 12, 2016: ANGLE. CRACKED. RIGHT PYLON INTERNAL NACELLE AREA ANGLE CRACKED AT STA 200.00. R & R ANGLE IAW SRM & DWG. - [SDR SWAA2016081854913](https://openairdocs.org/sdr/SWAA2016081854913), Aug 9, 2016: SKIN. CRACKED. LEFT WING FORE FLAP OUTBOARD EDGE EXTERNAL SKIN CRACKED. REPAIRED THE SKIN IAW SRM. - [SDR SWAA2016081554802](https://openairdocs.org/sdr/SWAA2016081554802), Aug 5, 2016: ANGLE. CRACKED. LEFT WING, NR 3 INBOARD FLAP OUTBOARD TRACK ANGLE CRACKED AT OUTBOARD INSPECTION PANEL RSS 283. R & R THE ANGLE IAW DWG. - [SDR SWAA2016080254461](https://openairdocs.org/sdr/SWAA2016080254461), Jul 26, 2016: WEB. CRACKED. WEB CRACKED BETWEEN BS 360 TO BS 380, STR 17L. REPAIRED WEB IAW SRM. - [SDR SWAA2016080454536](https://openairdocs.org/sdr/SWAA2016080454536), Jul 14, 2016: SKIN. DELAMINATED. LEFT WING OTBD FORE FLAP UPPER SKIN DELAMINATED. REPAIRED SKIN IAW SRM. - [SDR SWAA2016081554786](https://openairdocs.org/sdr/SWAA2016081554786), Jul 13, 2016: SKIN. CRACKED. LEFT WING REAR SPAR UPPER SKIN CRACKED BETWEEN RSS 179.56 TO 251.51. REPAIRED THE SKIN IAW EA. - [SDR SWAA2016081554801](https://openairdocs.org/sdr/SWAA2016081554801), Jul 13, 2016: FITTING. CORRODED. RIGHT WING INBOARD FLAP TRACK FORWARD MOUNTING FITTING CORRODED. REPAIRED THE FITTING IAW EA. - [SDR SWAA2016080354496](https://openairdocs.org/sdr/SWAA2016080354496), Jul 13, 2016: STRINGER. CRACKED. AFT CARGO BAY STRINGER CRACKED BETWEEN BS 927 - 947.5, STRINGER 21R. REPAIRED THE STRINGER IAW SRM. - [SDR SWAA2016081654866](https://openairdocs.org/sdr/SWAA2016081654866), Jul 12, 2016: FLAP TRACK. CORRODED. RT WING NR 8 FLAP TRACK FORWARD ATTACHMENT CORRODED. REPAIRED 8 FLAP TRACK IAW EA. - [SDR SWAA2016081554785](https://openairdocs.org/sdr/SWAA2016081554785), Jul 12, 2016: SKIN. CRACKED. RIGHT WING REAR SPAR UPPER SKIN CRACKED BETWEEN RSS 177 TO 270. REPAIRED THE SKIN IAW EA. - [SDR SWAA2016081554796](https://openairdocs.org/sdr/SWAA2016081554796), Jul 12, 2016: FITTING. CORRODED. LEFT WING NR 4 FLAP TRACK FORWARD FITTING CORRODED. REPAIRED THE FITTING IAW EA. - [SDR SWAA2016080254407](https://openairdocs.org/sdr/SWAA2016080254407), Jul 9, 2016: ANGLE. CRACKED. LEFT WING ANGLE CRACKED ON INBOARD SIDE OF TRAILING EDGE PANEL. R & R LT WING ANGLE IAW SRM & DWG. - [SDR SWAA2016081654869](https://openairdocs.org/sdr/SWAA2016081654869), Jul 8, 2016: SPLICE. CRACKED. LEFT WING REAR SPAR UPPER CHORD WEB SPLICE CRACKED BETWEEN RSS 211 TO RSS 285. REPAIRED WEB SPLICE IAW EA. - [SDR SWAA2016080554598](https://openairdocs.org/sdr/SWAA2016080554598), Jul 8, 2016: SPAR. CRACKED. RIGHT WING REAR SPAR UPPER CHORD CRACKED BETWEEN RSS 221.22 TO RSS 285. REPAIRED CHORD IAW EA. - [SDR SWAA2016072754285](https://openairdocs.org/sdr/SWAA2016072754285), Jul 8, 2016: SUPPORT FITTING. CRACKED. LEFT WING REAR SPAR UPPER CHORD AFT SUPPORT FITTING CRACKED BETWEEN RSS 215 TO 230. R & R THE SUPPORT FITTING IAW SRM AND DWG. - [SDR SWAA2016072754281](https://openairdocs.org/sdr/SWAA2016072754281), Jul 8, 2016: SUPPORT FITTING. CRACKED. RIGHT WING AFT SUPPORT FITTING ON REAR UPPER CHORD CRACKED AT RSS 222.22. R & R IAW SRM AND DWG. - [SDR SWAA2016081254760](https://openairdocs.org/sdr/SWAA2016081254760), Jul 6, 2016: STRAP. CRACKED. ELECTRONIC EQUIPMENT COMPARTMENT STRAP CRACKED AT BS 312, RBL 45.5. R & R STRAP IAW SRM AND DWG. - [SDR SWAA2016080854633](https://openairdocs.org/sdr/SWAA2016080854633), Jul 6, 2016: INTERCOSTAL. CRACKED. INTERCOSTAL WEB CRACKED BETWEEN BS 344 TO 360, BL 0. R & R THE INTERCOSTAL IAW SRM AND DWG. - [SDR SWAA2016080854632](https://openairdocs.org/sdr/SWAA2016080854632), Jul 6, 2016: SKIN. DELAMINATED. LOWER FUSELAGE SKIN PANEL DELAMINATED AT BS 639, LBL 12. REPAIRED SKIN IAW SRM. - [SDR SWAA2016080354495](https://openairdocs.org/sdr/SWAA2016080354495), Jul 6, 2016: CHANNEL. CORRODED. CHANNEL CORRODED AT BS 320, BL 0. R & R THE CHANNEL IAW SRM AND DWG. - [SDR SWAA2016080254406](https://openairdocs.org/sdr/SWAA2016080254406), Jul 6, 2016: SUPPORT ANGLE. CRACKED. SUPPORT ANGLE CRACKED AT BS 328, STRINGER 27R. R & R THE SUPPORT ANGLE IAW SRM AND DWG. - [SDR SWAA2016072754278](https://openairdocs.org/sdr/SWAA2016072754278), Jul 6, 2016: STRAP. CRACKED. EQUIPMENT ELECTRONIC COMPARTMENT STRAP CRACKED AT BS 328, RBL 33. R & R THE STRAP IAW SRM AND DWG. - [SDR SWAA2016072754277](https://openairdocs.org/sdr/SWAA2016072754277), Jul 6, 2016: STRAP. CRACKED. EQUIPMENT ELECTRONIC COMPARTMENT STRAP CRACKED AT BS 328, LBL 11. R & R THE STRAP IAW SRM AND DWG. - [SDR SWAA2016072754276](https://openairdocs.org/sdr/SWAA2016072754276), Jul 6, 2016: STRAP. CRACKED. EQUIPMENT ELECTRONIC COMPARTMENT STRAP CRACKED AT BS 312, BL 0. R & R THE STRAP IAW SRM AND DWG. - [SDR SWAA2016080354494](https://openairdocs.org/sdr/SWAA2016080354494), Jul 5, 2016: STRINGER SPLICE. CORRODED. STRINGER SPLICE CORRODED AT BS 847, STRINGER 22R. R & R THE STRINGER SPLICE IAW SRM AND DWG. - [SDR SWAA2016072954338](https://openairdocs.org/sdr/SWAA2016072954338), Jul 5, 2016: STRINGER SPLICE. CORRODED. FUSELAGE STRINGER SPLICE CORRODED AT STA 907, STR 25L. REPAIRED STRINGER IAW EA. - [SDR SWAA2016072654255](https://openairdocs.org/sdr/SWAA2016072654255), Jul 5, 2016: FLAP TRACK. CORRODED. RIGHT WING NR 8 FLAP TRACK AFT LOWER HOLE CORRODED. REPAIRED FLAP TRACK IAW CMM. - [SDR SWAA2016072754275](https://openairdocs.org/sdr/SWAA2016072754275), Jul 4, 2016: FITTING. CRACKED. RIGHT MAIN LANDING GEAR FITTING CRACKED ON CENTER DOOR. R & R FITTING IAW SRM AND DWG. - [SDR SWAA2016080554596](https://openairdocs.org/sdr/SWAA2016080554596), Jul 3, 2016: TIE CLIP. CRACKED. TIE CLIP CRACKED AT BS 500A, STR 22L. R & R TIE CLIP IAW SRM AND DWG. - [SDR SWAA2016080554595](https://openairdocs.org/sdr/SWAA2016080554595), Jul 3, 2016: STRINGER. CORRODED. FORWARD CARGO COMPARTMENT STR CORRODED BETWEEN BS 380 TO BS 400, STR 17L. R & R STRINGER IAW SRM AND DWG. - [SDR SWAA2016072754274](https://openairdocs.org/sdr/SWAA2016072754274), Jul 3, 2016: STRINGER CLIP. CRACKED. STRINGER CLIP CRACKED AT BS. 500B, STRINGER 22L. R & R THE STRINGER CLIP IAW SRM & DWG. - [SDR SWAA2016080454535](https://openairdocs.org/sdr/SWAA2016080454535), Jul 1, 2016: STRAP. CRACKED. FORWARD CARGO COMPARTMENT FRAME STRAP CRACKED AT BS 492.4, BETWEEN STR 22R TO STR 25R. R & R STRAP IAW SRM AND DWG. - [SDR SWAA2016080354493](https://openairdocs.org/sdr/SWAA2016080354493), Jul 1, 2016: SHEAR TIE. CRACKED. SHEAR TIE CRACKED AT BS 360, STRINGER 11L. R & R THE SHEAR TIE IAW SRM AND DWG. - [SDR SWAA2016081554841](https://openairdocs.org/sdr/SWAA2016081554841), Jun 28, 2016: SPAR. CRACKED. LEFT WING REAR SPAR UPPER SPLICE CRACKED BETWEEN RSS 177 TO 270. REPAIRED THE SPAR IAW EA. - [SDR SWAA2016081154748](https://openairdocs.org/sdr/SWAA2016081154748), Jun 28, 2016: SHIELD. MISSING. FORWARD GALLEY AREA EMERGENCY FLASHLIGHT SHIELD MISSING. INSTALLED SHIELD IAW CMM. - [SDR SWAA2016080954676](https://openairdocs.org/sdr/SWAA2016080954676), Jun 28, 2016: SKIN PANEL. DELAMINATED. LEFT LOWER FUSELAGE SKIN PANEL DELAMINATED BETWEEN BS 663.75 TO BS 727. REPAIRED SKIN IAW SRM. - [SDR SWAA2016080854637](https://openairdocs.org/sdr/SWAA2016080854637), Jun 28, 2016: SKIN. DELAMINATED. RIGHT EXTERNAL SKIN PANEL DELAMINATED BETWEEN BS 685 - 727, LOWER FUSELAGE. REPAIRED THE SKIN IAW SRM. - [SDR SWAA2016080554594](https://openairdocs.org/sdr/SWAA2016080554594), Jun 28, 2016: SPLICE. CRACKED. RIGHT WING REAR SPAR UPPER CHORD SPLICE CRACKED AT RSS 223.14. REPAIRED SPLICE IAW EA. - [SDR SWAA2016071353762](https://openairdocs.org/sdr/SWAA2016071353762), Jun 28, 2016: LENS. LOOSE. RIGHT EMERGENCY HATCH LIGHT LENS LOOSE. SECURED THE LENS IAW DWG. - [SDR SWAA2016081054713](https://openairdocs.org/sdr/SWAA2016081054713), Jun 27, 2016: SKIN. DELAMINATED. RIGHT LOWER FUSELAGE SKIN DELAMINATED BETWEEN BS 663.75 - 685. REPAIRED THE SKIN IAW SRM. - [SDR SWAA2016060252208](https://openairdocs.org/sdr/SWAA2016060252208), May 31, 2016: SLIDE. OUT OF POSITION. L1 DOOR SLIDE OUT OF POSITION. REPOSITIONED SLIDE IAW MM. - [SDR SWAA2016031549908](https://openairdocs.org/sdr/SWAA2016031549908), Mar 13, 2016: SLIDE. OUT OF ADJUST. L1 DOOR SLIDE OUT OF POSITION. REPOSITIONED SLIDE IAW MM. - [SDR SWAA2015110945879](https://openairdocs.org/sdr/SWAA2015110945879), Nov 6, 2015: ACTUATOR. CRACKED. RIGHT WING NR 5 GND SPOILER OTBD ACTUATOR ROD END CRACKED. R & R ACTUATOR IAW AMM. - [SDR SWAA2015110945878](https://openairdocs.org/sdr/SWAA2015110945878), Nov 6, 2015: CASTING. BROKEN. RIGHT WING NR 5 GND SPOILER INBD HINGE POINT CASTING BROKEN. REPLACED NR 5 GND SPOILER IAW AMM. - [SDR SWAA2015110245660](https://openairdocs.org/sdr/SWAA2015110245660), Oct 31, 2015: SIGN. LOOSE. LEFT OVERWING EMER EXIT SIGN LOOSE ON MOUNT. SECURED SIGN IAW AMM. - [SDR SWAA2015061640747](https://openairdocs.org/sdr/SWAA2015061640747), Jun 15, 2015: LEVER. FAULTY. AFTER GEAR EXTENSION ALL GREEN & ALL RED LIGHTS WERE ILLUMINATED. RETRACTED LG & EXTENDED GEAR A SECOND TIME. AFTER SECOND EXTENSION LIGHTS WERE NORMAL. R & R L All 291: https://openairdocs.org/aircraft/N644SW/reports.md ## Related - Other Boeing 737-3H4 aircraft: https://openairdocs.org/model/boeing-737-3h4/aircraft.md - STCs for the Boeing 737-3H4: https://openairdocs.org/model/boeing-737-3h4/stcs.md - The GE CFM56 series engine: https://openairdocs.org/engine/ge-cfm56-series.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.