N851SY
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.
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
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
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.
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.
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.
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.
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.
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.
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
Earlier reports · 2024–2025 · 13 reports
2025
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
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
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.
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
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)
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
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.
2024
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.
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
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.
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.
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
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.