N851SY

BOEING 737-8K5 · 2013 · Fixed-wing multi-engine · 2 engines · 149 seats · Valid Registration

Registered owner: SUN COUNTRY INC, 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, 2024-01-16 – 2026-08-05.

OTHER · 2026-08-05 Matched by certificate designator
ATA 2565

Part: SLIDE — DISLODGED (ZONE 800) · airframe 39,969 hrs · 13,205 cycles

1L YELLOW PART OF THE SLIDE IS COMING OUT OF ITS HOUSING. OPEN

Source: SDR SCNA20260806340
OTHER · 2026-07-17 Matched by certificate designator
ATA 2560

Part: BRACKET — OUT OF ADJUST (GIRT BAR) · airframe 39,834 hrs · 13,144 cycles

1L DOOR GIRT BAR STICKS IN BRACKETS, HARD TO REMOVE. ADJUSTED GIRT BAR BRACKET. EASILY REMOVEABLE. OK FOR SERVICE. REF MM 25-66-01

Source: SDR SCNA20260717310
OTHER · 2026-07-05 Matched by certificate designator
ATA 2560

Part: CRADLE — OUT OF ADJUST (GIRT BAR) · airframe 39,730 hrs · 13,107 cycles

L1 GIRT BAR CRADLE LOOSE. ADJUSTED L1 GIRT BAR CRADLE IAW AMM 25-66-01. NO DEFECT NOTED AT THIS TIME.

Source: SDR SCNA20260706282
OTHER · 2026-07-02 Matched by certificate designator
ATA 2560

Part: HOOK — LOOSE (GIRT BAR) · airframe 39,730 hrs · 13,107 cycles

L1 GIRT BAR J-HOOK IS LOOSE. ADJUSTED L1 DOOR J-HOOK REF AMM 25-66-01. OPS CHECK GOOD ACFT OK FOR SERVICE.

Source: SDR SCNA20260706281
OTHER · 2026-07-02 Matched by certificate designator
ATA 2560

Part: HOOK — LOOSE (GIRT BAR) · airframe 39,725 hrs · 13,105 cycles

L1 GIRT BAR J-HOOK IS LOOSE. ADJUSTED L1 DOOR J-HOOK REF AMM 25-66-01. OPS CHECK GOOD. ACFT OK FOR SERVICE.

Source: SDR SCNA20260702280
OTHER · 2026-05-03 Matched by certificate designator
ATA 3350

Part: BATTERY PACK — INOPERATIVE (ZONE 200) · airframe 39,384 hrs · 12,972 cycles

FWD R/H SECTION OF EMERGENCY LIGHTS WILL NOT STAY ILLUMINATED LONGER THAN 30 SECONDS. R & R BATTERY PACK IAW AMM 33-51-06-960-805, OPS CHECK GOOD AT THIS TIME.

Source: SDR SCNA20260504183
OTHER · 2026-05-03 Matched by certificate designator
ATA 3350

Part: BATTERY PACK — INOPERATIVE (ZONE 200) · airframe 39,384 hrs · 12,972 cycles

FWD CABIN LT SIDE EMERGENCY LIGHTS INOP. R & R LT FWD CABIN EMERGENCY LIGHT CHARGER ASSY IAW AMM 33-51-06-960-806 AND REPLACED BATTERY PACK IAW AMM 33-51-06-960-805. OPS CHECK GOOD AT THIS TIME.

Source: SDR SCNA20260504184
SMOKE/FUMES/ODORS/SPARKS · 2026-02-11 Matched by certificate designator
ATA 2120

Part: UNKNOWN — ODOR (ZONE 200) · airframe 38,902 hrs · 12,819 cycles

AFT FA'S REPORTED FAINT ODOR AKIN TO ELECTRICAL BURNING DURING DESCENT AND APPROACH IN THE VICINITY OF THE AFT LAVATORY.

Source: SDR SCN2026F00000
OTHER · 2026-02-11 Matched by certificate designator
ATA 3350

Part: SIGN — DETACHED (ZONE 200) · airframe 38,902 hrs · 12,819 cycles

SIGN OUTSIDE AFT LEFT LAV LOOSE WITH ELECTRICAL WIRING SHOWING. WORK ACCOMPLISHED: R & R LIGHT REF AMM 33-51-14 OPS TEST GOOD OK FOR SERIVCE

Source: SDR SCNA20260213078
Earlier reports · 2024–2025 · 13 reports

2025

INADEQUATE Q C · 2025-12-29 Matched by certificate designator
ATA 5310

Part: SKID — NO DISCREPANCY (ZONE 100 TAIL) · airframe 38,611 hrs · 12,727 cycles

POSSIBLE TAIL STRIKE. PERFORMED TAIL STRIKE INSPECTION PER AMM 05-51-32 FOUND TAIL SKID AND SHOW TO STILL IN SERVICEABLE CONDITION

Source: SDR SCNA20251230511
OTHER · 2025-12-29 Matched by certificate designator
ATA 5100

Part: SKID — NONE · airframe 38,611 hrs · 12,727 cycles

POSSIBLE TAIL STRIKE. PERFORMED TAIL STRIKE INSPECTION PER AMM 05-51-32 FOUND TAIL SKID AND SHOW TO STILL IN SERVICEABLE CONDITION

Source: SDR SCNA20251230511S
FLT CONT AFFECTED · 2025-06-21 Matched by certificate designator
ATA 2750

Part: FLAP SYSTEM — FAULTED · airframe 37,400 hrs · 12,232 cycles

FLAPS DID NOT DEPLOY POST 10 . RAN QRH 9.34 USED ALTERATE FLAP SWITCH TO LAND WITH FLAPS 15 (DECLARED EMERGECNY) ACCOMPLISHED FSEU BITE IAW FIM 27-51 TASK 801 WITH NO FAULTS FOUND. CARRIED OUT FLAP OPS TEST IAW AMM 27-51-00-710-801 WITH NO DEFECTS FOUND. FLAP/SLAT SYSTEM CHECKS SERVICEABLE.

Source: SDR SCNA20250623224
OTHER · 2025-04-23 Matched by certificate designator
ATA 3350

Part: POWER SUPPLY — INOPERATIVE (ZONE 200) · airframe 37,037 hrs · 12,081 cycles

LEFT OVER WING EMERGENCY EXIT LIGHT INOP. REF TO TECHOPS MX N/R 00175 - RESOLUTION: REPLACED L/H EMERGENCY EXIT LIGHT POWER SUPPLY IAW B737-800 AMM 35-51-06 OPS CHECK GOPOD

Source: SDR SCNA20250425125
NO TEST · 2025-04-22 Matched by certificate designator
ATA 3350

Part: LIGHT — NO TEST (ZONE 200) · airframe 37,037 hrs · 12,081 cycles

AWR CUSTOMER REQUEST: EMERGENCY LIGHT AT LEFT OVER WING DON'T TURN ON DURING TEST - RESOLUTION - (IN PROGRESS)

Source: SDR SCNA20250425128
OTHER · 2025-04-22 Matched by certificate designator
ATA 3350

Part: POWER SUPPLY — INOPERATIVE (ZONE 200) · airframe 37,037 hrs · 12,081 cycles

EMP 10001944 AWR CUSTOMER REQUEST: EMERGENCY LIGHT AT LEFT OVER WING DON'T TURN ON DURING TEST - RESOLUTION: - EMERGENCY POWER SUPPLY OF EMERGENCY LIGHT AT LEFT OVER WING PN D717-02-001 WAS REPLACED PER B737-800 AMM 33-51-06 AND OPERATIONAL TEST OK

Source: SDR SCNA20250425126
OTHER · 2025-04-02 Matched by certificate designator
ATA 2565

Part: BRACKET — DAMAGED (ZONE 800) · airframe 37,037 hrs · 12,081 cycles

WORK ORDER 80736, NR00087: INITIAL INSPECTION: ELONGATED HOLES ON BRACKETS (2EAS) AT FWD LH ESCAPE SLIDE COVER. BRACKETS REPLACED PER B737-800 SRM 51-40-02-0G-0 AND B737-800 AIPC 25-66-00-13.

Source: SDR SCNA20250402090

2024

OTHER · 2024-10-27 Matched by certificate designator
ATA 2560

Part: BOTTLE — LOW PRESSURE (SLIDE) · airframe 36,007 hrs · 11,650 cycles

DEFECT 757451: L1 DOOR SLIDE GAUGE IN THE RED. RESOLUTION: R&R L1 DOOR SLIDE REF AMM 25-66-01.

Source: SDR SCNA20241028345
WARNING INDICATION · 2024-10-07 Matched by certificate designator
ATA 2824

Part: ACTUATOR — FAULTED (FUEL TRANSFER) · airframe 35,867 hrs · 11,592 cycles

LANDED WITH FUEL IMBALANCE OF 2000 LBS NO EXCESSIVE IMPUTS DURING LANDING. NO CROSSWIND, SMOOTH LANDING COMPLETED. MC NOTIFED - RESOLUTION: BALANCED WING FUEL TANKS REF AMM 28-26-00. PERFORMED FUEL IMBALANCE EXCEEDANCE INSP. REF AMM 05-51-48. NO DEFECTS FOUND. OK FOR SERVICE

Source: SDR SCNA20241008327
NO TEST · 2024-09-11 Matched by certificate designator
ATA 3350

Part: POWER SUPPLY — INOPERATIVE (ZONE 200) · airframe 35,765 hrs · 11,538 cycles

TWO EXTERIOR EMERGENCY LIGHTS ON LEFT EXTERIOR ARE INOPERATIVE. ONE IN THE VICINITY OF THE OVERWING EXITS, THE OTHER AT THE TRAILING EDGE WING ROOT. TWO INTERIOR EMERGENCY LIGHTS ARE INOPERATIVE AMIDSHIP ON LEFT AISLE HEAD LINER. REMOVED AND REPLACED POWER SUPPLY AND BATTERY PACK BETWEEN 19ABC AND 20ABC IAW AMM 33-51-06. OPS CHECK GOOD.

Source: SDR SCNA20240912314
WARNING INDICATION · 2024-08-12 Matched by certificate designator
ATA 2750

Part: FLAP SYSTEM — FAULTED · airframe 35,618 hrs · 11,445 cycles

ON APPROACH FLAPS STAYED AT 1ODEGREES WHEN GREATER FLAP DEGREES WERE SELECTED (EMERGENCY DECLARED) . PERFORMED FIM 27-51 TASK 899 , TASK 801, AND TASK 836, FOUND ONLY 27-51402 ALTN FLAP. DISENGAGED ALTN FLAP. FOUND NO FAULTS. AC OK TO CONTINUE.

Source: SDR SCNA2024081301
SMOKE/FUMES/ODORS/SPARKS · 2024-01-22 Matched by certificate designator
ATA 2120

Part: UNKNOWN — ODOR (COCKPIT/CABIN) · airframe 34,001 hrs · 10,777 cycles

DEFECT 731833 ITEM 1,- - HEAVY SMOKE SMELL IN COCKPIT AND CABIN PULLING INTO GATE. - - RESOLUTION: C/W FIM TASK 21-00-806 PARAGRAPH C. NO FUMES NOTED. UNABLE TO DUPLICATE. ADDITIONALLY, LOG 731833 ITEM 2, INSPECT E&E BAY,C/B + INSTRUMENT AREA RAN BOTH ENGINES ENGINES WITH ALL LIGHTS ON AND PACKS AND WITH APU RUNNING COULD NOT SMELL ANY SMOKE SMELLS IN THE ENTIRE CABIN AND COCKPIT AREA OK FOR SERVICE PER AMM 05-51-56

Source: SDR SCNA20240122017
SMOKE/FUMES/ODORS/SPARKS · 2024-01-16 Matched by certificate designator
ATA 2120

Part: UNKNOWN — ODOR (COCKPIT/CABIN) · airframe 33,973 hrs · 10,764 cycles

DEFECT 731833: - - HEAVY SMOKE SMELL IN COCKPIT AND CABIN PULLING INTO GATE - - RESOLUTION: C/W FIM TASK 21-00-806 PARAGRAPH C. NO FUMES NOTED. UNABLE TO DUPLICATE.

Source: SDR SCNA20240118016