N421NV
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.
16 reports on file, 2011-09-11 – 2017-08-10.
Part: RETAINER — DISCONNECTED (TAILCONE CABLE) · airframe 46,335 hrs · 39,126 cycles
TAILCONE UNSAFE LIGHT ILLUMINATED. EMERGENCY DECLARED. RECONNECTED RETAINING BALL ON CABLE & RETURNED EXTERNAL HANDLE TO STOWED POSITION.
Part: RELAY — FAILED (FLT DIRECTORS) · airframe 46,020 hrs · 38,953 cycles
DURING CLIMB OUT, LOST CA & FO FLIGHT DIRECTORS. R & R THE GROUND RELAY.
Earlier reports · 2011–2016 · 14 reports
2016
Part: ENGINE — OVERSPEED · airframe 43,919 hrs · 37,820 cycles
ON APPROACH AT 6000 MSL, AUTO-THROTTLE COMMANDED FULL POWER & DISCONNECTED, RESULTING IN BOTH ENGS OVER SPEED. AIRSPEED WAS 170 KTAS EPR 2.10-2.12 N1 APROX 105% & FLASHING LESS THAN ONE SECOND.
Part: FRAME — CRACKED (FUSELAGE) · airframe 43,761 hrs · 37,742 cycles
LOWER FUSELAGE FRAME 937, RBL 4, CRACKED JUST OTBD OF BLEED AIR DUCT. REPAIRED STATION 937, FRAME RBL 4 IAW SRM 53-05 FIG 81.
2015
Part: LAMP — INOPERATIVE (EMERGENCY LIGHT)
EMERGENCY LIGHT ABOVE TAIL CONE ESCAPE SLIDE INOP. RELAMPED EMERGENCY LIGHT ABOVE TAIL CONE ESCAPE SLIDE IAW AMM 33-46-00, OP'S CHECK OK.
Part: POWER SUPPLY — INOPERATIVE (CABIN) · airframe 43,286 hrs · 37,497 cycles
EMERGENCY LIGHT AT R1 DOOR DOES NOT ILLUMINATE. R & R BULBS IAW AMM 33-53-00, NO HELP. DISCREPANCY REMAINS OPEN. R & R BATTERY POWER SUPPLY IAW AMM 33-53-00. LIGHT OPERATIONS NORMAL.
Part: CLAMP — LOOSE (AC BAY) · airframe 42,754 hrs · 37,234 cycles
TAIL COMP HIGH LIGHT ILLUMINATED JUST AFTER TAKEOFF. COMPLIED WITH QRH 21.4 LIGHT WENT OUT AFTER 40 SEC. ACCOMPLISHED TAIL COMP HIGH TEMP CHECK IAW TC 21-059-005, CHECKED GOOD. FOUND LOOSE CLAMP LEAKING. TIGHTENED AS REQUIRED. LEAK CHECKED GOOD.
2014
Part: BATTERY — DISCHARGED (CABIN)
EMERGENCY LIGHTS AT L2 DOOR CEILING AREA INOPERATIVE. R & R BATTERIES IN EMER LIGHTS BATTERY PACK B5-107. OPERATIONS CHECKED GOOD IAW AMM 33-53-00 & WDM 33-51-12.
Part: BATTERY — DISCHARGED (CABIN)
LEFT & RIGHT FWD OVERWING DOOR EMER EXIT SIGN INOPERATIVE. R & R POWER SUPPLY BATTERY AT STATION 883. OPERATIONS CHECKED GOOD IAW AMM 33-53-00.
2013
Part: SKIN — CRACKED (L1 DOOR)
L1 DOOR SKIN CRACKED AT HOLD OPEN CUTOUT. FABRICATED REPAIR DOUBLER & INSTALLED REPAIR DOUBLER IAW MD-80 SRM 52-05 FIG 20A.
Part: BATTERY — DISCHARGED (CABIN)
FORWARD OVERWING EMERGENCY LIGHTS OUT. R & R EMERGENCY LIGHTS BATTERIES IAW MM33-53-00, OPERATIONS CHECKED GOOD.
Part: FCU — LEAKING (APU)
BURNING SMELL FROM VENTS WHEN APU AIR SELECTED ON, APU FCU LEAKING FUEL. R & R APU FCU IAW MM 49-30-01, OPERATIONS LEAK CHECKED GOOD.
Part: FLAP — CHAFED (LT WING)
LEFT WING O/B FLAP I/B LEADING EDGE CHAFED. BLENDED AREA. FABRICATED REPAIR PARTS AND INSTALLED.
2012
Part: BATTERY — DISCHARGED (CABIN)
DURING A ROUTINE OVERNIGHT SERVICE CHECK INSPECTION MAINTENANCE DEPARTMENT PERSONNEL REPORTED A PORTION OF THE EMERGENCY EVACUATION LIGHTING SYSTEM WOULD NOT TEST. MAINTENANCE PERSONNEL REMOVED AND REPLACED THE APPROPRIATE BATTERIES IN THE POWER SUPPLY BATTERY PACK AND MADE ALL REQUIRED CORRECTIONS AND OPERATIONAL CHECK WAS ACCOMPLISHED PER AMM 33-50-00, SYSTEM OPERATIONAL CHECK WAS NORMAL. THE AIRCRAFT HAS BEEN RETURNED TO SERVICE.
Part: BATTERY PACK — INOPERATIVE (EMERGENCY LIGHT)
DURING A ROUTINE OVERNIGHT SERVICE CHECK INSPECTION, MAINTENANCE REPORTED A PORTION OF THE EMERGENCY EVACUATION LIGHTING SYSTEM WOULD NOT TEST. MAINTENANCE REMOVED AND REPLACED POWER SUPPLY BATTERY PACK AND OPS CHECK WAS ACCOMPLISHED PER AMM 33-50-00, SYSTEM OPS CHECKED NORMAL. AIRCRAFT RETURNED TO SERVICE.
2011
Part: BATTERY — DISCHARGED (CABIN)
DURING A ROUTINE OVERNIGHT SERVICE CHECK INSPECTION MAINTENANCE DEPARTMENT PERSONNEL REPORTED A PORTION OF THE EMERGENCY EVACUATION LIGHTING SYSTEM WOULD NOT TEST. MAINTENANCE PERSONNEL REMOVED AND REPLACED THE APPROPRIATE BATTERIES IN THE POWER SUPPLY BATTERY PACK AND MADE ALL REQUIRED CORRECTIONS AND OPERATIONAL CHECK WAS ACCOMPLISHED PER AMM 33-50-00, SYSTEM OPERATIONAL CHECK WAS NORMAL. THE AIRCRAFT HAS BEEN RETURNED TO SERVICE.