ELAN EXPRESS INC

DURING TAKEOFF ROLL CAPTAIN PFD DOES NOT DISPLAY AIR DATA FOR ALTITUDE OR AIRSPEED. TAKEOFF WAS ABORTED AND AIRCRAFT RETURNED TO RAMP. DURING TROUBLESHOOTING L ADC SHOWS A 1 ON LED DISPLAY SIGNALING AN AOA VANE FAILURE. FURTHER TROUBLESHOOTING REVEALED AOA SENSOR WAS OK AND THAT THE ADC HAD A LATCHED HARD FAILURE AND REQUIRED REPLACEMENT. ADC REPLACED PER AMM AND AIRCRAFT RETURNED TO SERVICE. DURING NEXT DEPARTURE CAPTAIN AIRSPEED DID NOT RISE DURING TAKEOFF ROLL. AIRCRAFT RETURNED TO RAMP AND FOUND UPPER LEFT PITOT BLOCKED. OBSTRUCTION WAS CLEARED AND PITOT STATIC LOW AND HIGH RANGE LEAK CHECKS ACCOMPLISHED ON AIRSPEED AND ALTIMETRY SYSTEMS WITH NO DEFECTS NOTED.

AFTER REMOVAL OF LT OTBD LE STUB WING, FOUND SKIN UPPER ATTACH SCREW HOLE COUNTERSINK DAMAGED. REPAIRED IAW EA 008-5730-38-A5967.

REFERENCE NRC A016060, LT WING UPPER SURFACE HAS INTERGRANULAR CORROSION AROUND A FASTENER AT XW 761 & STRINGER 2. ITEM REPAIRED IAW EA 008-5710-38-A5879.

REFERENCE NRC A016593, LT WING CTR LE UPPER SKIN HAS INTERGRANULAR CORROSION AROUND FASTENERS AT XFS 347.750. ITEM REPAIRED IAW EA 008-5730-38-A6009.

RT WING SKIN CTR LE HOIST POINT AT XFS 385.250 HAS INTERGRANULAR CORROSION. REPAIRED ON EA 008-5730-38-A5966.

REFERENCE NRC A016331, RT WING OTBD LE, OTBD SECTION HAS INTERGRANULAR CORROSION AROUND FASTENERS ON UPPER SKIN, BETWEEN XFS710.000 - 747.500. ITEM REPAIRED ON EA 008-5710-38-5863.

REFERENCE NRC A017940, AFTER REMOVING RT CABIN WINDOW AT STATION 1410, FOUND CORROSION ON WINDOW FRAME & INSIDE FASTENER HOLES. ITEM REPAIRED ON EA 008-5320-38-A5955.

REFERENCE NRC A016084, EXTERIOR FUSELAGE HAS CORROSION ON SKIN AT WINDOW REPAIR DOUBLER, STATION 1340. REPAIR WAS ACCOMPLISHED ON EA 008-5320-38-A5955.

REFERENCE NRC A019317, LT WING INBD LE, OTBD SECTION UPPER SKIN HAS SEVERAL CRACKS AT XILD 42. ITEM REPAIRED IAW EA 008-5730-38-A6019.

REFERENCE NRC A016101, TAIL CONE SKIN CORRODED AT LOWER TAIL LIGHT ASSEMBLY. ITEM REPAIRED IAW EA 008-5330-38A5869.

REFERENCE NRC A017180, COCKPIT SUBFLOOR IS EXFOLIATED THROUGH SKIN AT STATION 133 RT CUSP AREA. REPAIR ACCOMPLISHED ON EA 008-5310-38-A5956.

REFERENCE NRC A016224, LT WING UPPER SKIN HAS CORROSION AROUND FASTENERS, BETWEEN CTR & AFT SPAR & XRS 393 - 428. ITEM REPAIRED IAW EA 008-5710-38-A5885.

REFERENCE NRC A016795, RT WING CTR LE UPPER SKIN, TE HAS INTERGRANULAR CORROSION AROUND FASTENER AT XFS 385.250. ITEM REPAIRED ON EA 008-5730-38-A5993.

REFERENCE NRC A016226, LT WING UPPER SKIN HAS CORROSION AROUND FASTENERS, BETWEEN STRINGER 4 & CTR SPAR & XRS 358-393. ITEM REPAIRED IAW EA 008-5710-38-A5882.

REFERENCE NRC A016797, RT WING CTR LE UPPER SKIN, TE HAS INTERGRANULAR CORROSION AROUND FASTENERS AT XOLD16.225 & XFS 429. REPAIR ACCOMPLISHED IAW EA 008-5730-38-A5993.

LEFT HORIZ STAB INBD LE UPPER SURFACE HAS CORROSION AT OTBD HOIST ATTACH POINT. ITEM REPAIRED IAW EA 008-5530-38-A5938.

REFERENCE NRC A016333, RT WING OTBD LE, OTBD SECTION HAS INTERGRANULAR CORROSION AROUND FASTENERS ON UPPER SKIN BETWEEN XFS 778.750 - XW 761.695. ITEM REPAIRED ON EA 008-5710-38-A5863.

EXFOLIATED LOWER FWD STRINGER INBD END, INSIDE FUEL ACCESS PANEL 514D.

EXTERIOR FUSELAGE DOUBLER HAS CORROSION AT RT AFT DRAIN MAST, STATION 1552 32-015.

REFERENCE NRC A016056, LT WING LOWER SURFACE HAS CORROSION OTBD SIDE OF NR 1 PYLON AT STRINGER 52 28-034.

REFERENCE NRC A016695, LT WING INBD AILERON CTR & OTBD BALANCE PANELS HAVE RUST CORROSION. REPAIR ACCOMPLISHED IAW EA 008-5751-38-A5958.

REFERENCE NRC A016313, LT WING INBD STUB WING UPPER SKIN HAS CORROSION AROUND FASTENERS, BETWEEN XILD 42 - XW 257 AT FWD SPAR ATTACHMENT.

REFERENCE NRC A016937, RT INBD AILERON BALANCE PANEL HAS CORROSION. REPAIR ACCOMPLISHED IAW EA 008-5751-38-A5959.

REFERENCE NRC A016309, LT HORIZONTAL STABILIZER INBD LE, UPPER SURFACE HAS CORROSION AT INBD HOIST ATTACH POINT. ITEM REPAIRED IAW EA 008-5530-38-A5929.

REFERENCE NRC A016448 & A023498 INGRESS & EGRESS DOOR FROM FLIGHT DECK TO UPPER CARGO COMPARTMENT, MAIN CARGO DECK, HAS TORN & COMPRESSED FIRE SUPPRESSION SEALS. THIS ITEM WAS REPAIRED IAW EA AQ56-25-101.

REFERENCE NRC A017102, AFT ACCESSORY COMPARTMENT, FS 1530, LONGERON 28L - 28R, AFT FACING SURFACES CORRODED.

REFERENCE A017940, AFTER REMOVING RT CABIN WINDOW AT FS 1410, FOUND CORROSION ON WINDOW FRAME & INSIDE FASTENER. REPAIR ACCOMPLISHED IAW EA 008-5320-38-A5955.

RIGHT WING, INBD LE, OTBD SECTION LOWER SKIN HAS INTERGRANULAR CORROSION AT XS 250.089. REPAIR ACTION ACCOMPLISHED IAW EA 008-5710-38-A6018.

REFERENCE NRC A016097, EXTERIOR FUSELAGE, AFT RT LAVATORY SERVICE PANEL, CUT OUT HAS CORROSION INSIDE. REPAIR ACCOMPLISHED IAW EA 008-5330-38-A6035.

AFTER REMOVAL OF AFT RT LAVATORY DUMP PAN & FASTENERS. MAIN CABIN FLOORBEAM FOUND EXFOLIATED.

LEFT WING LOWER SURFACE HAS CORROSION AT STRINGER 53 & INBD OF PYLON, 28-023.

MAIN DECK CARGO COMPARTMENT SEAT TRACK HAS CORROSION AT SPLICE SAT 590, LBL 24.32-156.

LT INBD FLAP UPPER SURFACE INBD RUB PLATE HAS POPPED & CRACKED RIVETS 28-010.

LT WING UPPER SURFACE HAS INTERGRANULAR CORROSION AROUND A FASTENER AT XRS763 & STRINGER 2 28-039.

LT WING UPPER SKIN HAS CORROSION AROUND FASTENERS, BETWEEN STRINGER 9 & FWD SPAR, BETWEEN XRS 255 - 289.28-063.

LEFT HORIZONTAL STAB TIP HAS CORROSION ON SKIN AT STATIC WICK BASES.

LT WING INBD LE FUEL TANK UPPER TE TEE CAP HAS INTERGRANULAR CORROSION. BETWEEN XFS 30.000 - 57.000.

MAIN DECK CARGO COMPARTMENT, SEAT TRACK LUGS DAMAGED 2 PLACES STATION 834, LBL 24.

COCKPIT SUBFLOOR RT SIDE CUSP AREA STATION 148, FINGER DOUBLER HAS MANY BROKEN OFF FASTENERS.

FOUND FITTING THAT ATTACHES FRAME TO FLOORBEAM AT STATION 1480 RT SIDE WITH INTERGRANULAR CORROSION. REMOVED FITTING. FABRICATED & INSTALLED NEW FITTING IAW EA 008-5310-38-A6040.

RIGHT WING OTBD L/E INBD SECTION LOWER SKIN HAS INTER GRANULAR CORROSION AROUND FASTENERS AT XFS 685.

FRAME BS 1060, UPPER CAP CORRODED INCLUDING EXFOLIATION AT SEVERAL PLACES FROM S34L TO S31R.

RT WING OTBD FLAP, NR 4 VANE INBD UPPER SURFACE DENTED WITH DELAMINATION.

LEFT WING CENTER L/E UPPER SKIN HAS INTERGRANULAR CORROSION AROUND FASTENER AT XFS 261.500 28-129, REF VT NRC 7000900968.

MAIN DECK CARGO TRACK HAS CORROSION AT SPLICE BS 590, LBL 24.

LEFT WING UPPER SKIN HAS CORROSION AROUND FASTENERS BETWEEN STR 10 AND FWD SPAR AND XRS 50-107 28-075.

LEFT WING AILERON CONTROL TAB IS DENTED AND HAS DELAMINATION ON UPPER AND LOWER SURFACES.

LEFT WING AILERON TRIM TAB IS DENTED ON UPPER AND LOWER SURFACES.

MAIN DECK CARGO COMPARTMENT SEAT TRACK HAS CORROSION AT SPLICE, BS 990, LBL 24, 32-151.

MAIN DECK CARGO COMPARTMENT SEAT TRACK HAS CORROSION AT SPLICE 995, LBL 45.32-152.