N198US
Registered owner: UNIVERSITY OF NEBRASKA-LINCOLN, NE (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.
7 reports on file, 1995-08-30 – 2000-12-20.
Part: LANDING GEAR — LACK OF LUBE (NOSE)
UNSCHEDULED LANDING, EMGCY DESCENT, GR HNDL WOULD NOT RAISE AFTER TAKEOFF FROM FNT, NOSE STEERING WAS STEERABLE, DID NOT RAISE GEAR. TAKEOFF WARNING HORN ON DURING CLIMB, CABIN PRESSURE WARNING LIGHT CAME ON. AUTO SPOILER DO NOT USE LT CAME ON. CREW THOUGHT THEY SMELL SMOKE & DIVERTED TO YIP, AC LANDED WITHOUT INCIDENT. MAINTENANCE TESTED THE LANDING GR MECHANICAL CONT SYSTEM WITH NO DEFECTS NOTED. NOSE LANDING GR STRUT WAS SVRCD. AC WAS RELEASED FOR TEST FLT ONLY, GEAR WOULD NOT RAISE AFTER TAKEOFF. MAINT CLEANED & LUBRICATED THE NLG GROUND SHIFT MECH AND SERVICED NLG STRUT. LANDING GR WAS OPERATIONALLY CKD GOOD DURING GEAR SWING . SUBSEQUENT TEST FLT PERFORMED, SATISFACTORY
Part: VHF COMM 2 — FAILED (E/E COMPT)
YIP - NR 1 COMM INOP (INTERMITTENTLY) AND NR 2 COMM INOP (INTERMITTENTLY). AIRCRAFT DIVERTED INTO YIP. NO EMERGENCY PROCEDURES NECESSARY. MAINTENANCE WAS NOT ABLE TO DUPLICATE THE PROBLEM ON EITHER COMM. BOTH COMM'S WERE REPLACED AND BOTH SYSTEMS CHECKED GOOD IAW GMM CHAP 8, SEC 7. REFERENCE Y2PA96062.
Part: VHF COMM 1 — FAILED (E/E COMPT)
YIP - NR 1 COMM INOP (INTERMITTENTLY) AND NR 2 COMM INOP (INTERMITTENTLY). AIRCRAFT DIVERTED INTO YIP. NO EMERGENCY PROCEDURES NECESSARY. MAINTENANCE WAS NOT ABLE TO DUPLICATE THE PROBLEM ON EITHER COMM. BOTH COMM'S WERE REPLACED AND BOTH SYSTEMS CHECKED GOOD IAW GMM CHAP 8, SEC 7. (M)
Part: SKIN — CRACKED (BS 108)
YIP - ONE .25 INCH CRACK IN THE RIGHT SIDE OF THE NLG WHEELWELL SKIN AT STA 108. REMOVED DAMAGED SKIN AREA. FABRICATED AND INSTALLED REPAIR FILLER AND REPAIR DOUBLER PER USA JET AIRLINES ENGINEERING AUTHORIZATION NR 96-53-02R1. THESE DATA WERE DER APPROVED BY R. MNASHI, DER NR SW-810 ON FAA FORM 8110-3 DATED 4-7-96. PART TC: 78,559. (X)
Part: CONNECTOR — DEFECTIVE (APU)
YIP - AUXILIARY POWER UNIT (APU) SHUT DOWN AT FLIGHT LEVEL 350, AND WOULD NOT RE-START. LEFT ENGINE GENERATOR INOP (DEFERRED ITEM NR 0043), APU REQUIRED FOR FLIGHT OPERATION. AIRCRAFT TO YIP. TROUBLESHOT AND FOUND SHORTED PIN (PIN NR F) IN THE APU SPEED SENSE CANNON PLUG. REPLACED DEFECTIVE PIN IN CANNON PLUG, APU OPERATIONAL CHECKED GOOD. PIN NR F IS FOR THE APU LOW OIL PRESSURE TRANSMITTER. LOW OIL PRESSURE WILL SHUT THE APU DOWN. (M)
Part: EPR TRANSMITTER — FAILED (NR 2 ENG)
YIP - ON TAKEOFF, THE NR 2 ENGINE WOULD NOT ACCELERATE BEYOND 1.4 EPR. FOUND TO BE AN INDICATION PROBLEM ONLY. REMOVED AND REPLACED EPR TRANSMITTER. SYSTEM OPERATIONAL CHECKED GOOD. (M)
Part: GUIDE BAR — WORN (RT TE FLAP VANE)
YIP - DURING ROUTINE INSPECTION, SEVERE CHAFFING WAS NOTED ON THE RIGHT WING INBOARD FLAP MOVEABLE VANE, FORWARD GUIDE BAR. REPLACED RIGHT MOVEABLE VANE GUIDE BAR AND CHECKED THE RIGGING PER THE DC9 MM CHAPTER 27-51. (M)