# Boeing 737-4H6 - Type: Aircraft model (FAA registry) - Registry code: 138441A - Manufacturer (registry): BOEING - Model: 737-4H6 - 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: 1 - Page: https://openairdocs.org/model/boeing-737-4h6 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 (1) - [N307GT](https://openairdocs.org/aircraft/N307GT): [Wilmington Trust Co Trustee](https://openairdocs.org/faa-owner/WILMINGTON%20TRUST%20CO%20TRUSTEE), [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington), built 1993, S/N 26455 ## NTSB investigations None matched to aircraft with this model. ## FAA accident and incident reports (1) 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 20201229018709I](https://openairdocs.org/incident/20201229018709I), Dec 29, 2020: Boeing 737-4H6 (N305GT), Omaha, NE, No damage. ? CA is a current B737 line check airman ? Both CA and fo have low time in type at 160 and 40 hours respectively ? But highly experienced aviators otherwise. ?… ## Service difficulty reports (106, newest 50) As reported by operators and repair stations, by the model named in the report. - [SDR K11A2026082700387](https://openairdocs.org/sdr/K11A2026082700387), Aug 27, 2026: DOOR. UNSECURE. LOST PRESSURIZATION AT 10000 FT, NO PACK FAIL, AUTO FAIL LIGHT ILLUMINATED, EMERGENCY DECLARED, RETURNED TO KMCI. FULLY CLOSED E&E BAY DOOR, PERFORMED PRESSURIZ - [SDR K11A2026082500385](https://openairdocs.org/sdr/K11A2026082500385), Aug 25, 2026: COMPUTER. FAILED. REJECTED TAKEOFF AFTER THROTTLES WERE STABILIZED + TOGO BUTTON PUSHED AIRCRAFT BEGAN TO YAW RIGHT UNCONTROLLABLE, TILLER HAD NO EFFECT IN THE CORRECTION. PERFOR - [SDR K11A2026030400373](https://openairdocs.org/sdr/K11A2026030400373), Mar 4, 2026: SOLENOID. FAILED. AT RETRACTION OF LANDING GEAR, LEVER WOULD NOT GO PAST OFF, USED QRH LEVER WOULD NOT MOVE AFTER TAKEOFF SECTION 14.18. R & R LOCK LANDING GEAR SOLENOID IAW AMM - [SDR K11A2026022400370](https://openairdocs.org/sdr/K11A2026022400370), Feb 24, 2026: INDICATOR. FALSE INDICATION. TRAILING EDGE FLAPS DISAGREE IN FLIGHT. DECLARED AN EMERGENCY AND LANDED SAFELY IN KOMA AS SCHEDULED. REMOVED & REPLACED FLAP POSITION INDICATOR T/E IAW AMM 27- - [SDR K11A2025121800364](https://openairdocs.org/sdr/K11A2025121800364), Dec 18, 2025: HANDLE. OUT OF POSITION. FWD ENTRY DOOR WARNING LIGHT ILLUMINATED JUST AFTER TAKEOFF. FOUND DOOR HANDLE IN CLOSED POSITION BUT LOOSE. OPENED AND CLOSED DOOR MULTIPLE TIMES WITH NO DEFEC - [SDR K11A2025092200349](https://openairdocs.org/sdr/K11A2025092200349), Sep 22, 2025: CABIN PRESSURE. FAULTED. AUTO FAIL LIGHT ILLUMINATED AFTER TAKE-OFF, CABIN ALTITUDE NOT CONTROLLABLE IN AUTO OR STANDBY MODES. FOUND L1 DOOR AJAR UPON RETURNING TO GATE. OPS CHECK L1 DO - [SDR K11A2025071700324](https://openairdocs.org/sdr/K11A2025071700324), Nov 30, 2024: FRAME. CRACKED. AFT CARGO PIT FRAME CRACKED. STA 767 CRACKED LS-25 - [SDR K11A2025060400321](https://openairdocs.org/sdr/K11A2025060400321), Nov 30, 2024: STRINGER. CORRODED. AFT CARGO STRINGER S26L HAS EVIDENCE OF CORROSION ON O/B SIDE AT STA 945. - [SDR K11A2025040800312](https://openairdocs.org/sdr/K11A2025040800312), Nov 25, 2024: STIFFENER. DAMAGED. AFT CARGO BILGE, FLOOR SUPPORT STIFFENER DAMAGED IN BETWEEN LS-27 & LS-26 STA 727B. - [SDR K11A2025032700307](https://openairdocs.org/sdr/K11A2025032700307), Nov 14, 2024: WEB. CRACKED. CRACK FOUND ON SILL WEB INSIDE FWD CARGO DOORWAY AS MARKED. - [SDR MASA2021072000162](https://openairdocs.org/sdr/MASA2021072000162), Jul 20, 2021: SWITCH. UNSECURE. UNABLE TO TURN OFF EMERGENCY LIGHTS - MX RESECURED PILOTS OVHD PANEL EMER EXIT SW. OPS CK NORMAL. STS MX - [SDR EE4Y2020090721598](https://openairdocs.org/sdr/EE4Y2020090721598), Sep 7, 2020: SKIN. DENTED. DURING ROUTINE MAINTENANCE AT MAINTENANCE FACILITY, THE LOWER FUSELAGE EXTERNAL SKIN JUST BELOW THE SERVICE DOOR, AT BS 301.5, BETWEEN STR-17 R AND STR-18 R WAS - [SDR EE4Y2020090711597](https://openairdocs.org/sdr/EE4Y2020090711597), Sep 7, 2020: SKIN. DENTED. DURING ROUTINE MAINTENANCE AT THE COOPESA MAINTENANCE FACILITY IN SAN JOSE, COSTA RICA (SJO), THE FUSELAGE SKIN BETWEEN STA 498 AND STA 502 AND BETWEEN S-21R AN - [SDR EE4Y2020090711596](https://openairdocs.org/sdr/EE4Y2020090711596), Sep 7, 2020: KEELBEAM. CORRODED. DURING ROUTINE MAINTENANCE AT THE COOPESA MAINTENANCE FACILITY IN SAN JOSE, COSTA RICA (SJO), THE KEEL BEAM STRAP BETWEEN STA 630 AND STA 646 WAS FOUND TO HAVE - [SDR EE4Y2020090711595](https://openairdocs.org/sdr/EE4Y2020090711595), Sep 7, 2020: SKIN. DENTED. DURING MAINTENANCE VISIT, A DENT WAS NOTED ON THE FUSELAGE SKIN AT STA. 345.5, ABOVE STR. 20R. THE DENT WAS OUT OF LIMITS PER 737-400 SRM. THE DAMAGE WAS REPAIR - [SDR EE4Y2020090701594](https://openairdocs.org/sdr/EE4Y2020090701594), Sep 7, 2020: WEB. CORRODED. DURING SCHEDULED MAINTENANCE AT THE COOPESA MAINTENANCE FACILITY IN SAN JOSE, COSTA RICA (SJO), THE WING CENTER SECTION FRONT SPAR WEB AT BS 540.00 AND LBL 8 WA - [SDR EE4Y2020090711586](https://openairdocs.org/sdr/EE4Y2020090711586), Sep 7, 2020: SKIN. CRACKED. DURING SCHEDULED MAINTENANCE AT COOPESA FACILITY IN SAN JOSE, COSTA RICA (SJO), THE FUSELAGE SKIN BETWEEN STA 827 AND STA 847 AND BETWEEN STGR-1 AND STGR-2L UND - [SDR EE4Y2019082609550](https://openairdocs.org/sdr/EE4Y2019082609550), Aug 26, 2019: FLOOR SUPPORT. CORRODED. LOWER FUSELAGE, AFT CARGO COMPARTMENT, BETWEEN BS 727C AND BS 727D, RBL 3.5", FLOOR SUPPORT CHANNEL WITH CORROSION. NOTE: REPAIRED SUPPORT CHANNEL AS PER SRM 53 - [SDR EE4Y2019082309495](https://openairdocs.org/sdr/EE4Y2019082309495), Aug 23, 2019: HOUSING. GOUGED. RH WING SLAT NUMBER 6, FSS 527 INBOARD TRACK SLAT CAN (HOUSING) WITH GOUGE. NOTE: THE HOUSING WAS REPLACED AS PER SRM GUIDELINES ( REF. JOB: A1H153 ITEM 6-52 ). - [SDR EE4Y2019082309492](https://openairdocs.org/sdr/EE4Y2019082309492), Aug 23, 2019: FITTING. CORRODED. LH WING, OUTBOARD FLAP, INBOARD TRACK AREA, RSS 330 REAR SPAR FITTING WITH CORROSION. NOTE: THE FITTING WAS REPLACED AS PER SRM GUIDELINES ( REF. JOB: A1H153 IT - [SDR EE4Y2019081439398](https://openairdocs.org/sdr/EE4Y2019081439398), Aug 14, 2019: INTERCOSTAL. CRACKED. MAIN CARGO CABIN BS 277 AT STRINGER 14RH INTERCOSTAL CRACKED. NOTE: THE INTERCOSTAL WAS REPLACED AS PER SRM GUIDELINES. - [SDR EE4Y2019081309387](https://openairdocs.org/sdr/EE4Y2019081309387), Aug 13, 2019: DOUBLER. CRACKED. EXTERNAL LOWER FUSELAGE, POWER RECEPTACLE, INTERNAL CUTOUT DOUBLER WITH CRACK. NOTE: THE DOUBLER WAS REPLACED AS PER SRM GUIDELINES (REF. JOB: A1H153 ITEM 1-18) - [SDR EE4Y2019081309383](https://openairdocs.org/sdr/EE4Y2019081309383), Aug 13, 2019: SKIN. CRACKED. LH WING, REAR SPAR UPPER CHORD AREA, UPPER SKIN, AT RSS 250 WITH 2 HOLES CRACKED. THE UPPER SKIN WAS REPAIRED PER SERVICE REQUEST INSTRUCTIONS ID NO. 3-44817915 - [SDR EE4Y2019080209342](https://openairdocs.org/sdr/EE4Y2019080209342), Aug 2, 2019: SUPPORT BEAM. DAMAGED. RIGHT MLG SUPPORT BEAM UPPER SURFACE, O/B, AFT SECTION DAMAGED. THE BEAM WAS REWORKED IAW 3-4478414275, AND EO COO-EO-2019-9285-R00. - [SDR EE4Y2019080289341](https://openairdocs.org/sdr/EE4Y2019080289341), Aug 2, 2019: SUPPORT FITTING. DAMAGED. LEFT WING, MAIN LANDING GEAR FWD SUPPORT FITTING WITH DOUBLE HOLE. THE MENTIONED FITITNG WAS REPAIRED IAW ID 3-4484340367 AND E.O. COO-EO-2019-9299-R00 - [SDR EE4Y2019020809339](https://openairdocs.org/sdr/EE4Y2019020809339), Aug 2, 2019: ANGLE. CRACKED. CARGO CABIN AT BS 294.5 S-16L AND BS 360 S-11L ANGLE AND CLIP CRACKED. THE ANGLE AND CLIP WERE REPLACED IAW BOEING #3-4468613820 AND COOPESA E.O. COO-EO-2019-92 - [SDR EE4Y2019080209337](https://openairdocs.org/sdr/EE4Y2019080209337), Aug 2, 2019: BULKHEAD WEB. CORRODED. STA 1016 AFT PRESURE BULKHEAD WEB WITH CORROSION BETWEEN STR-26L AND STR-26R, LEVEL. THE MENTIONED WEB WAS REPAIRED IAW BOEING ID#4-4550947395 AND COOPESA E.O. - [SDR Q2SA201906041421](https://openairdocs.org/sdr/Q2SA201906041421), Jun 1, 2019: SKIN. CRACKED. AIRCRAFT GROUNDED. CPCP ITEM LEVEL 2 CORROSION FINDING. DURING LOWER FUSELAGE EXTERNAL INSPECTION ON W/C D-53-836-0101, FOUND CRACK IN SKIN 4 AND 7/8" LONG FROM - [SDR Q2SA20190325415](https://openairdocs.org/sdr/Q2SA20190325415), Mar 25, 2019: CONTROL PANEL. FAILED. AIRCRAFT GROUNDED. MCP, AUTOPILOT AND FLIGHT DIRECTOR FAILED IN FLIGHT ON CLIMB OUT. REPLACED MCP IAW AMM 22-11-34. OPS CK NORMAL. (LP 71462 ITEM 2) REF LP 7146 - [SDR EE4Y2019032208467](https://openairdocs.org/sdr/EE4Y2019032208467), Mar 22, 2019: SKIN. DENTED. DURING THE STRUCTURE INSPECTION, IT WAS FOUND AT ENGINE NR 1 NOSE COWL LIP SKIN WITH DENS AT 8 O'CLOCK AND 11 O'CLOCK POSITION. THE DAMAGED AREAS WERE REPAIRED - [SDR EE4Y2019032208466](https://openairdocs.org/sdr/EE4Y2019032208466), Mar 22, 2019: SKIN. CORRODED. DURING THE STRUCTURE INSPECTION, IT WAS FOUND AT LOWER FUSELAGE SKIN WITH CORROSION AT BS 648 BETWEEN STRINGER 28R AND 28L, DME2 ANTENNA AREA. THE DAMAGED AREA - [SDR EE4Y2019032208495](https://openairdocs.org/sdr/EE4Y2019032208495), Mar 22, 2019: FLOOR SUPPORT. CORRODED. DURING THE STRUCTURE INSPECTION, IT WAS FOUND AT AFT CARGO COMPARTMENT FLOOR SUPPORT ZEE WITH CORROSION FROM BS 727 TO BS 947, STRINGER 26L. THE DAMAGED PART WA - [SDR EE4Y2019032208485](https://openairdocs.org/sdr/EE4Y2019032208485), Mar 22, 2019: FRAME. CORRODED. DURING THE STRUCTURE INSPECTION, IT WAS FOUND AT AFT CARGO COMPARTMENT FRAME WITH CORROSION AT BS 727F BETWEEN STRINGER 26R AND 26L. THE DAMAGED PART WAS REPAIR - [SDR EE4Y2019032108470](https://openairdocs.org/sdr/EE4Y2019032108470), Mar 21, 2019: DOOR SILL. CRACKED. UPPER FUSELAGE CARGO CABIN BS 294.5, STR-17R, LOWER MAIL SILL WEB CRACKED. THE MENTIONED PART WAS REPLACED IAW EO3753A008 REV. 1 DATED 17 SEP 2018 AND SB 737-53 - [SDR EE4Y2019032108472](https://openairdocs.org/sdr/EE4Y2019032108472), Mar 21, 2019: INTERCOSTAL. CRACKED. UPPPER FUSELAGE CARGO CABIN STR-8AR, BETWEEN BS 332.1 AND BS 344 INTERCOSTAL T-CHORD CRACKED. THE MENTIONED T-CHORD WAS REPLACED IAW AIR EO3753A37 DATED MAR 01, - [SDR EE4Y2019032108479](https://openairdocs.org/sdr/EE4Y2019032108479), Mar 21, 2019: FITTING. CORRODED. AFT CARGO COMPARTMENT FRAME ATTACH CLIP WITH CORROSION AT BS 787 STR-26R. THE MNETIONED CLIP WAS REPLACED AS PER SRM 51-10-02 PARAG. 8. - [SDR EE4Y2019032108478](https://openairdocs.org/sdr/EE4Y2019032108478), Mar 21, 2019: FITTING. CORRODED. AFT CARGO COMPARTMENT CLIP WITH CORROSION AT BS 787 STR-27R. THE MENTIONED CLIP WAS REPLACED AS PER SRM 51-10-02 PARAG. 8. - [SDR EE4Y2019032108477](https://openairdocs.org/sdr/EE4Y2019032108477), Mar 21, 2019: FRAME. CORRODED. AFT CARGO COMPARTMENT FRAME WITH CORROSION AT BS 787 BETWEEN STR-26L AND 27L. FRAME SECTION WAS REPLACED BY NEW ONE AS PER SRM 51-10-02 PARG. 8. - [SDR EE4Y2019032108471](https://openairdocs.org/sdr/EE4Y2019032108471), Mar 21, 2019: BULKHEAD. CANNING. LOWER FUSELAGE BS 1016 AFT PRESSURE BULKHEAD WEB, FROM THE AFT SIDE OF BULHEAD AT LEVEL OF STR-8L WEB WITH OIL CANNING. THE WEB WAS REPAIRED AS PER SRM 53-80-08 - [SDR EE4Y2019032108473](https://openairdocs.org/sdr/EE4Y2019032108473), Mar 21, 2019: SUPPORT FITTING. CRACKED. AFT CARGO COMPARTMENT FRAME SUPPORT CLIP WITH CRACK AT BS 787 STR-26L. THE MENTIONED PART WAS REPLACED BY A NEW ONE AS PER SRM 51-10-02 PARAG 8. - [SDR EE4Y2019032108474](https://openairdocs.org/sdr/EE4Y2019032108474), Mar 21, 2019: FRAME. CRACKED. MAIN CARGO COMPARTMENT BS 616 WL 201 RBL 64 FRAME WITH CRACK. PERFORMED REPAIR FRAME AT BS 616 WL 201 RBL64 IAW SB 737-53A1254 SECTION 3B6 PART 6 FIG. 20, 21 AN - [SDR EE4Y2019032108476](https://openairdocs.org/sdr/EE4Y2019032108476), Mar 21, 2019: FRAME. CORRODED. AFT CARGO COMPARTMENT FRAME WITH CORROSION AT BS 807 BETWEEN STR-25L AND 27R. THE MENTIONED FRAME WAS REPAIRED AS PER SRM 53-00-07 FIG. 202 REPAIR 17 DETAIL V. - [SDR EE4Y2019032108468](https://openairdocs.org/sdr/EE4Y2019032108468), Mar 21, 2019: WEB. CORRODED. AFT CARGO COMPARMENT WEB WITH CORROSION FROM BS 794 AND BS 847 AT SCUFF PLATE AREA. THE MENTIONES WEB WAS REPLACED BY A NEW ONE AS PER SRM 51-10-02 PARG. 8 - [SDR EE4Y2019032108475](https://openairdocs.org/sdr/EE4Y2019032108475), Mar 21, 2019: SUPPORT FITTING. CORRODED. AFT CARGO COMPARTMENT FRAME SUPPORT CLIP WITH CORROSION AT BS 807, STR-27R, THE MENTIONES CLIP WAS REPLACED BY A NEW ONE AS PER SRM 51-10-02 PARAG 8 - [SDR EE4Y2019032108481](https://openairdocs.org/sdr/EE4Y2019032108481), Mar 21, 2019: SUPPORT ANGLE. CORRODED. AFT CARGO COMPARTMENT FRAME SUPPORT ANGLE WITH CORROSION AT BS 807 ON STR-27L. THE SUPPORT ANGLE WAS REPLACED IAW SRM 51-10-02 PARG. 8 - [SDR EE4Y2019032108469](https://openairdocs.org/sdr/EE4Y2019032108469), Mar 21, 2019: FLOOR SUPPORT. CORRODED. AFT CARGO COMPARTMENT FLOOR SUPPOR ANGLE WITH CORROSION AT BS 947.5 BETWEEN STR-26L AND 26R. THE DAMAGED PART WAS REPLACED IAW SRM 51-10-02 PARAG 8. - [SDR Q2SA20190303414](https://openairdocs.org/sdr/Q2SA20190303414), Mar 3, 2019: LIGHT. NO TEST. AIRCRAFT GROUNDED. EMERGENCY EXIT LIGHT WILL NOT TEST LEFT SIDE OF L1 DOOR. TRANSFERRED TO MDDR #108119 IAW MEL 33-15-01. CAT C. DATE DUE 03-14-19. - [SDR EE4Y2018030406051](https://openairdocs.org/sdr/EE4Y2018030406051), Feb 8, 2018: SPAR. CORRODED. DURING THE MAINTENANCE INSPECTION, IT WAS FOUND AT THE LT WING L/E CAVITY, THE FRONT SPAR LOWER CHORD FLANGE WITH CORROSION AT WS 583, THE REPAIR WAS CARRIED OU - [SDR EE4Y2018030606063](https://openairdocs.org/sdr/EE4Y2018030606063), Jan 29, 2018: FRAME. CRACKED. DURING THE STRUCTURAL INSPECTION, FOUND THE FRAME AT BS 500F BETWEEN STRINGERS 21R AND 22R STAND OFF HOLE CRACKED. THE FRAME WAS REPAIRED IAW EO 6084. - [SDR EE4Y2018030606062](https://openairdocs.org/sdr/EE4Y2018030606062), Jan 27, 2018: FRAME. CRACKED. DURING THE STRUCTURAL INSPECTION, IT WAS FOUND THE FRAME AT STA 727 LT AND RT SIDES, BETWEEN STR-18 AND 19 WITH 1 EA FASTENER HOLE WITH CRACK ON EACH SIDE. THE All 106: https://openairdocs.org/model/boeing-737-4h6/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.