N843SY
Registered owner: SUN COUNTRY INC DBA, MN (owner ≠ operator)
Operators of this aircraft
Who operated this tail, and how firmly we know it.
No operator established for this aircraft.
Accident & incident history
No NTSB accidents or incidents on file for this aircraft.
Maintenance disclosures
Service Difficulty Reports filed with the FAA for this airframe. Filing is largely voluntary — the number of reports is not a measure of reliability. To verify a report, search its control number at the FAA SDRS site.
22 reports on file, 2023-01-14 – 2026-08-16.
Part: LATCH — STUCK (ZONE 800) · airframe 40,483 hrs · 26,609 cycles
STUCK LATCH BRACKET ASSEMBLY ON SLIDE OF FWD ENTRY DOOR (L1).
Part: TIRE — DAMAGED (ZONE 700) · airframe 40,229 hrs · 26,502 cycles
TUG BROKE SHEAR PIN WHILE PULLING JET IN TURN AT END OF PUSH. LOUD BANG. INSPECTED NOSE GEAR REF AMM 32-21-00 AND 05-51-29. TOW LUG AND FITTING AND LUG OK FOR SERVICE. NO DAMGE. FOUND RH NOSE WHEEL TO HAVE A SMALL BUBBLE ON THE SIDEWALL. R&R RH NOSE WHEEL IAW AMM 32-45-21. OK FOR SERVICE.
Part: SKIN — CRACKED (ZONE 300) · airframe 39,856 hrs · 26,318 cycles
WO 104124 NR00018: SUSPECTED CRACK ON R/H HORIZONTAL STAB. LOWER SKIN AT STAB STA 120.3 RIB 9" AFT OF FORWARD SPAR. VERIFIED WITH HFEC - - PERFORMED HFEC SURFACE INSPECTION OF SUSPECTED CRACK AT RH LOWER HORIZONTAL SKIN STA. 120.3 RIB 9" AFT OF FWD. SPAR REF. 737 NDT PART 6 51-00-00, PROC. 23. FOUND CRACK INDICATION. REMOVED EXISTING FASTENERSIN REPAIR AREA , CUT OUT DAMAGED AREA IN ACORDENANCE WITH SRM 55-10-01-2R-11 REPAIR 11. REQUIRES HFEC PER SRM 55-10-01-2R-11 STEP 4D1. ALL WORK PERFORMED BY AVIATION FUEL SYSTEMS REPAIR, INC. IN WO 2600R800 PERFORMED HFEC INSPECTION OF CUTOUT. NO CRACKS NOTED. REF. B737 NDT MANUAL PART 6 51-00-00 PROCEDURE 23. PERFORMED HFEC OPEN HOLE INSPECTION OF REMOVED FASTENER HOLES. NO CRACKS NOTED. REF. B737 NDT MANUAL PART 6 51-00-00 PROCEDURE 16. RII OF REPAIR COMPLETE. THIS IS A CAT B REPAIR AND WILL REQUIRE AN MTI REF. SRM 55-10-01-2R-11 TABLE 204.
Part: SKIN — CRACKED (ZONE 300) · airframe 39,856 hrs · 26,318 cycles
WO 104124 NR00013: SUSPECTED CRACK ON R/H HORIZONTAL STABILIZER LOWER SKIN AT STAB STA 92.70. APPROX. 37.5 INCHES AFT OF FRONT SPAR - -MASK OFF AND STRIPPED PAINT FROM AREA. NDT REQUESTED TO VERIFY CRACK. PERFORMED HFEC SURFACE INSPECTION OF SUSPECTED CRACK REF. 737 NDT PART 6 51-00-00, PROC. 23. FOUND SUSPECTED AREA TO BE CRACKED. ACCOMPLISH REPAIR PER SRM 55-10-01-2R-11. CUT OUT OF CRACK WILL BE REQUIRED DUE TO LOCATION AT A RIB. REMOVED EXISTING FASTENERSIN REPAIR AREA , CUT OUT DAMAGED AREA IN ACORDENANCE WITH SRM 55-10-01-2R-11 REPAIR 11. REQUIRES HFEC PER SRM 55-10-01-2R-11 STEP 4D1. ALL WORK PERFORMED BY AVIATION FUEL SYSTEMS REPAIR, INC. IN WO 2600R800. PERFORMED HFEC INSPECTION OF CUTOUT. NO CRACKS NOTED. REF. B737 NDT MANUAL PART 6 51-00-00 PROCEDURE 23. PERFORMED HFEC OPEN HOLE INSPECTION OF REMOVED FASTENER HOLES. NO CRACKS NOTED. REF. B737 NDT MANUAL PART 6 51-00-00 PROCEDURE 16. RII OF REPAIR COMPLETE. THIS IS A CAT B REPAIR AND WILL REQUIRE AN MTI REF. SRM 55-10-01-2R-11 TABLE 204. PAINTED REPAIR RH HOZI STAB REF SRM 51-30-11
Part: GLOWSTRIP — BROKEN (ZONE 200) · airframe 39,727 hrs · 26,265 cycles
ROW 12/13 FLOOR GLOW STRIP BROKEN. REMOVED AND REPLACED. FLOOR GLOW STRIP. REF AMM 25-27-15 OK FOR SERVICE
Earlier reports · 2023–2025 · 17 reports
2025
Part: FUEL CONTROL — FAULTED (ZONE 400) · airframe 39,146 hrs · 25,954 cycles
NR 1 FAIL AT 38,000 NO OTHER INDICATIONS RESTART. NO LIGHT OFF. REMOVED AND REPLACED FUEL, IPC ITEM 33 AND GASKET IPC ITEM 34 IAW AMM 73-21-10-420-009-F00. PERFOMRED LEAK CHECK PER AMM 73-00-00-800-811-F00. PERFOMRED LEAK CHECK PER AMM 71-00-00-800-811-F00 TESTS 12,13 AND 3A. NO LEAKS DETECTED, NO FAULTS FOUND. A/C OK FOR SERVICE
Part: GASKET — FAULTED (FUEL SYS) · airframe 39,146 hrs · 25,954 cycles
NR 1 FAIL AT 38,000 NO OTHER INDICATIONS RESTART. NO LIGHT OFF - REMOVED AND REPLACED FUEL, IPC ITEM #33 AND GASKET IPC ITEM #34 IAW AMM 73-21-10-420-009-F00. PERFOMRED LEAK CHECK PER AMM 73-00-00-800-811-F00. PERFOMRED LEAK CHECK PER AMM 71-00-00-800-811-F00 TESTS 12,13 AND 3A. NO LEAKS DETECTED, NO FAULTS FOUND. A/C OK FOR SERVICE
Part: LIGHT — UNSECURE (ZONE 200) · airframe 39,014 hrs · 25,873 cycles
FLOOR STRIP IN AISLE ROW 12ABC NEEDS TO BE SECURED. SECURED LIGHT STRIP IAW AMM 33-51-15.
Part: RING — CRACKED (GIRT BAR) · airframe 38,693 hrs · 25,724 cycles
RH AFT SVC DOOR GIRT BAR STOP RING IS CRACKED. REPLACED RH AFT SVC DOOR GIRT BAR STOP RING WITH A SERVICABLE UNIT. REF AMM 25-66-01.
Part: BATTERY PACK — INOPERATIVE (ZONE 200) · airframe 38,060 hrs · 25,418 cycles
DEFECT 777438: DURING PREVIOUS NIGHT DEPLANING GPU POWER DROPPED OFF LINE. EMERGENCY EXITS LIGHTS DID NOT ILLUMINATE WHEN AIRCRAFT WAS UNDER BATTERY POWER AIRCRAFT WAS ON BATTERY ONLY POWER FOR 40 MINUTES DRAINING EMERGENCY BATTERIES - RESOLUTION: CHARGED EMERGENCY BATTRIES REF AMM 33-51-06 OK FOR SERVICE
2024
Part: LIGHT — DAMAGED (ZONE 200) · airframe 37,099 hrs · 24,946 cycles
DEFECT 781064: FLOOR LIGHTING STRIP BUBBLING UP AT ROW 12ABC. RESOLUTION: RESECURED PHOTOLUMINESCENT STRIP AT ROW 12ABC IAW AMM 33-51-15. OK FOR SERVICE.
Part: GIRT BAR — FAULTED (L1 DOOR) · airframe 35,786 hrs · 24,313 cycles
# 1 L DOOR ESCAPE SLIDE GIRT EXTENDS BEYOND 12 " REPACKED GIRT ON #1 DOOR ESCAPE SLIDE PER AMM REM 25-66-00
Part: BUTTON — MISSING (EMERGENCY LIGHT) · airframe 35,312 hrs · 24,133 cycles
DEFECT 731228 2R EMERGENCY LAV LGITH MISSING BUTTON. - - RESOLUTION: INSTALLED NEW 2R LAV CALL BUTTON REF AMM 33-27-51. OPS CHECKS OK.
Part: GIRT BAR — UNSECURE (L2 DOOR) · airframe 35,104 hrs · 24,059 cycles
DEFECT 755140 - - 2L GIRT BAR WONT STAY IN PLACE," - - RESOLUTION: ADJUSTED ESCAPE SLIDE BRACKET REF AMM 25-66-02
2023
Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 34,659 hrs · 23,844 cycles
DURING TEST LIGHTS INTERIOR AND EXTERIOR, CHARGER BATTERY AND BATTERY EMERGENCY LIGHTS POS L1 WERE FOUND INOPERATIVE. CHARGER BATTERY PACK POS L1 WAS REPLACED PER B737/800 AMM 33-51-06-960-805 SATISFACTORY TEST.
Part: WEB — CRACKED (LT WING) · airframe 34,659 hrs · 23,844 cycles
INITIAL INSPECTION: CRACK ON WEB ON INTERNAL STRUCTURE AT REAR SPAR WS 280 APPROX LH WING. WEB ON INTERNAL STRUCTURE AT REAR SPAR WS 280 APPROX LH WING WAS REPLACED PER B737-800 SRM 51-40-02-0G-0
Part: SUPPORT — CRACKED (RT WING) · airframe 34,659 hrs · 23,844 cycles
INITIAL INSPECTION: CRAK ON WEB SUPPORT AT FIXED PANEL REAR SPAR STA.WS 280 APROX. AT RH WING. WEB SUPPORT AT FIXED PANEL REAR SPAR STA.WS 280 APROX. AT RH WING WAS REPLACED PER B737-800 SRM 51-40-02-0G-0
Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 34,610 hrs · 23,824 cycles
SUPPLEMENT - - - CORRECTIVE ACTION DEFECT 756210 RESOLUTION - - -REF W/O# 82479 N/R-00002 FOR WORK ACCOMPLISHED. L1 WINDOW REPLACED AND LEAK CHECKED.
Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 34,610 hrs · 23,824 cycles
DEFECT 756210 - - - AT FL390 IN CRUISE FLIGHT, THE L1 FLIGHT DECK WINDOW BEGAIN ARCING. WE TURNED OFF L1 FWD WINDOW HEAT AND ARCING STOPPED TWO MINUTES LATER THE WINDOW CRACKED ON THE OUTER PANE. QRH COMPLETED. - - - RESOLUTION - (IN PROGRESS)
Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 34,484 hrs · 23,764 cycles
DEFECT 752624: 2L DOOR SLIDE COVER PIN EXPOSED AND NOT IN BOLT INSIDE OF SLIDE. - - - RESOLUTION: REMOVED SLIDE INSTALLED COVER PIN RE-INSTALLED SLIDE REF AMM 25-66-01 OK FOR SERVICE.
Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 33,528 hrs · 23,335 cycles
DEFECT 745790: FA'S FOUND 2L SLIDE PARTIALLY DEPLOYED. RESOLUTION; REATTACHED SECURITY LATCH AND REINSTALLED SLIDE REF AMM 25-61-00. INSPECTION GOOD.
Part: PLACARD — MISSING (UNKNOWN) · airframe 34,993 hrs · 23,993 cycles
DEFECT W/O 84339 NRC00005: - - L/H FWD EMERGENCY DOOR MISSING BARBER POLE PLACARD. - - RESOLUTION: ITEM DEFERED ON LOG PG 755109 ITEM 1. (IN PROGRESS)