N717FR

Airbus A321 No injuries Part 121 — FRONTIER AIRLINES, INC.

Operated by Frontier Airlines (per NTSB report)

ATA 3350

Part: POWER SUPPLY — DISCHARGED (ZONE 200) · airframe 19,695 hrs · 8,391 cycles

DISCREPANCY. REFERENCE LP403130 ITEM 1 REF LP403125 ITEM 1. PILOT DISCREPANCY WITH POWER OFF. 2 AFT EMER EXIT SIGNS DO NOT ILLUMINATE. AC WAS IN FOR HVY CHECK THEN WAS GROUNDED DUE TO EPSU FAIL. CORRECTIVE ACTION: REMOVED AND REPLACED EPSU 13WL AFT L PER AMM 33-51-38-00/400-001. OPS CHECK GOOD NO FURHTER DEFECTS.AIRCRAT OKAY FOR SERVICE./END/

ATA 2120

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 19,061 hrs · 8,099 cycles

REFERENCE LOG PAGE LP403309 ITEM 1. "AIRCRAFT WAS GROUNDED UNTIL OCF RESULTED WITH NO FURTHER DEFECTS". AFTER TAKEOFF STRONG ODOR OF MUSTY/DAMP. F/A'S REPORTED THE SAME. APPLIED THE QRH PROCEDURE FOR ELIMINATION OF ODOR IN FLIGHT DECK/CABIN. THINK IT IS PAC 1. PERFORMED TROUBLESHOOTING FOR CABIN ODOR AND SHOWS TYPE 10 MISCELLANEOUS REF. TSM 05-50-00-810-831-A. PERFORMED DECONTAMINATION OF THE BLEED AIR DUCTS LEVEL C VARIANT, AND PERFORMED ENGINE RUNS AND PACK 1 AND 2. REF. AMM 36-10-00-615-802-A. NO ODOR NOTED AT THIS TIME. OPS CHECK GOOD. A/C OK TO CONTINUE. REFERENCE LOG PAGE LP403310 ITEMS 1 AND 2 FOR SATISFACTORY OCF.

ATA 5210

Part: BEARING — MISSING · airframe 1,407 hrs · 5,901 cycles

DISCREPANCY: REFERENCE LP 213048 ITEM 1: CREW FOUND L1 DOOR HARD TO OPEN. CORRECTIVE ACTION: OPENED L1 CREW/PASSENGER DOOR. REF LP 213048 ITEM 2 AND 3 FOR DAMAGE FOUND. DISCREPANCY: ITEM 2: FOUND BEARING MISSING FROM DAMPER CYLINDER LINKAGE TRUNNION AT L1 DOOR. CORRECTIVE ACTION: REMOVED AND REPLACED FLANGE/BUSHING AT L1 DOOR DAMPER CYLINDER LINKAGE TRUNNION IAW AMM 52-11-1-000/400-001-A. DOOR OPS CHECK GOOD, AC OK FOR SERVICE TORQUE WRENCH - SN 0236 DUE JUL132022. AMM 52-11-11-000/400-001-A. DISCREPANCY: LP 213048 ITEM 3: FOUND DAMAGE AT L:1 DOOR LOWER SUPPORT FITTING. DEEPEST GOUGE RECORDED .56" LONG .2 " DEEP, .47" WIDE. NO RESOLUTION AT THIS TIME, AIRCRAFT FERRIED TO DEN FOR REPAIR.****SUPPLEMENTAL WILL FOLLOW ON ITEM #3***

ATA 5210

Part: FITTING — BENT (ZONE 200) · airframe 14,047 hrs · 5,901 cycles

DISCREPANCY: LP213048 ITEM 3, FOUND DAMAGE AT L1 DOOR SUPPORT FITTING. DEEPEST GOUGE RECORDED 0.56" LONG, 0.2" DEEP, 0.47" WIDE. SUPPLEMENTAL CORRECTIVE ACTION: REMOVED L1 DOOR LOWER FITTING REFERENCE NR 124252, NR 124253, NR 124259, NR 124254, NR 124255, NR 124256, NR 124257, NR 124258. OPS CHECK GOOD.

ATA 5210

Part: ARM — GOUGED (ZONE 200) · airframe 14,047 hrs · 5,901 cycles

DISCREPANCY: REFERENCE LP213048 ITEM 3, FOUND DAMAGE AT L1 DOOR SUPPORT FITTING. DEEPEST GOUGE RECORDED 0.56" LONG, 0.2" DEEP, 0.47" WIDE. SUPPLEMENTAL CORRECTIVE ACTION: REMOVED L1 DOOR LOWER FITTING REFERENCE NR 124252, NR 124253, NR 124259, NR 124254, NR 124255, NR 124256, NR 124257, NR 124258. OPS CHECK GOOD.

ATA 2565

Part: SLIDE — NO TEST (R3 DOOR) · airframe 12,444 hrs · 5,198 cycles

R3 SLIDE FAULT DURING EPSU SYSTEM TEST. REMOVED AND REPLACED R3 SLIDE. REF. AMM 25-62-47-000-001-A.

ATA 3397

Part: PIN — DISCONNECTED (CONNECTOR) · airframe 6,906 hrs · 2,878 cycles

DISCREPANCY: REFERENCE PEMCO NR 2252N98, C/R (722028) FWD FLIGHT ATTENDANT PANEL FAILS TO LIGHT UP ALL EMERGENCY EXIT LIGHTS CORRECTIVE ACTION: RECONNECTED PIN "A" ON BLOCK 3 OF TERMINAL BOARD 6701 VT IAW A321 33-51-01 AND AWM ESPM 20-48-25. BITE TEST GOOD IAW A321 AMM SUB TASK 33-51-38-740-050-B. OPS TEST GOOD IAW A321 AMM 33-51-00-710-050-A. REPLACED R1 SLIDE IAW A321 AMM 25-62-44-400-803-A OPS CHECKS GOOD./END/

ATA 2560

Part: PROXIMITY SWITCH — SHORTED (R3 DOOR) · airframe 5,805 hrs · 2,399 cycles

THE R3 DOOR WILL NOT INDICATE DISARMED WHEN IT IS ACTUALLY DISARMED. REMOVED AND REPLACED THE PROXIMITY SWITCH 6WN2 IAW AMM 52-73-11-000-004-B, AND AMM 52-73-11-400-004-B. OPS CHECKED GOOD IAW AMM 52-73-00-710-001-A, AND AMM 52-73-00-710-002-B. THE AIRCRAFT RETURNED TO SERVICE.

ATA 2560

Part: SLIDE — NO TEST · airframe 633 hrs · 262 cycles

LEFT FORWARD ENTRY DOOR SLIDE WILL NOT TEST. REMOVED AND REPLACED THE DOOR SLIDE. OPS CHECKED GOOD.

ATA 3350

Part: DEU — NO TEST (EMERGENCY LIGHTS) · airframe 633 hrs · 262 cycles

EPSU TEST FAILED. REMOVED AND REPLACED FWD CABIN DEU. OPS CHECKED GOOD.