N526US

Part: POWER SUPPLY — DAMAGED (EMERGENCY LIGHT) · airframe 61,341 hrs · 25,693 cycles

AT GATE, FOUND EMERGENCY LIGHT SWITCH AT DOOR 1L DOES NOT ACTIVATE EMERGENCY FLOOR LIGHTING AND PATH LIGHTING ON SEATS. REPLACED POWER SUPPLY, SYSTEM TESTED OK AND AIRCRAFT RETURNED TO SERVICE.

Part: WIRE — CRUSHED (EMERGENCY LIGHT) · airframe 60,934 hrs · 25,060 cycles

EMERGENCY LIGHTS INOPERATIVE IN CABIN FLOOR MOUNTED LIGHTING FROM DOOR 1R TO ROW 14. RE-SPLICED CRUSHED JIFFY SPLICE AT D9061P/J AND D9062J/P IAW. WDM 33-51-12, PG 1

Part: DOUBLER — CRACKED (PYLON) · airframe 52,749 hrs · 22,171 cycles

DURING "L" CHECK FOUND CRACK IN RIGHT HAND STRUT SKIN AND INNER DOUBLER OF NR 2 PYLON. REPAIRED PER EA 55-194405.

Part: FLOORBEAM — CRACKED (FUSELAGE) · airframe 47,177 hrs · 20,018 cycles

DURING L-CHECK FOUND CRACK IN FLOORBEAM UPPER CAP AT BS 700 LBL 45. REPAIRED PER EA 55-184135.

Part: FLOORBEAM — CRACKED (FUSELAGE) · airframe 47,177 hrs · 20,018 cycles

During l-check found crack in floorbeam upper cap at BS 700 LBL 25. Repaired per EA 55-184136.

Part: LIGHT — INOPERATIVE (RT MLG)

RIGHT MAIN LANDING GEAR DOWN AND LOCKED INDICATOR DID NOT ILLUMINATE UPON LANDING GEAR EXTENSION. THE LANDING GEAR WAS CYCLED AND THE COM PROCEDURE WAS ACCOMPLISHED. THE CREW WAS STILL UNABLE TO OBTAIN A DOWN AND LOCKED INDICATION. AFTER DECLARING AN EMERGENCY, THE FLIGHT WAS CONCLUDED IN MSP WITHOUT INCIDENT. MAINTENANCE REPLACED THE RIGHT MAIN LANDING GEAR INDICATOR LIGHT ASSEMBLY WITH A SERVICEABLE UNIT. OPERATIONAL TESTS OF THE SYSTEM WERE SATISFACTORY.

Part: CONTROL PANEL — SMOKING (COCKPIT PEDESTAL)

AT FL350, AUTO THROTTLES DISCONNECTED AND A SMALL PUFF OF SMOKE EMANATED FROM THE PEDESTAL AREA. CIRCUIT BREAKERS FOR THE AUTO THROTTLE SYSTEM WERE PULLED. FLIGHT CONTINUED AS SCHEDULED. ON DESCENT INTO MSP UPON THROTTLE MOVEMENT, SMOKE APPEARED IN THE PEDESTAL AREA AGAIN. THE CREW DECLARED AN EMERGENCY, CONTINUED TO MSP, AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED THE AUTO-PILOT CONTROL PANEL WITH A SERVICEABLE UNIT. SYSTEM OPERATIONAL TEST WAS SATISFACTORY.

Part: FLOORBEAM — CORRODED (BS 1661)

DURING P-CHECK, FOUND CORROSION ON THE BS 1661 FLOORBEAM UPPER CHORD ALONG THE ENTIRE LENGTH. REPAIRED CHORD PER EA 55-110373.

Part: SILL — CORRODED (CARGO DOOR)

DURING P-CHECK, FOUND CORROSION ON THE AFT CARGO DOOR LOWER SILL INNER CHORD. REPAIRED CHORD (P/N 146N8522-51) PER EA 55-110371.

Part: STARTER — FAILED (APU)

DURING CRUISE AND WITH THE NR 1 ENGINE IDG ON MEL, THE APU SHUTDOWN DUE TO LOSS OF OIL. THE AIRCRAFT DIVERTED TO JNU WHERE AN UNEVENTFUL LANDING TOOK PLACE. THE IDG AND APU STARTER WERE REPLACED AND BOTH SYSTEM CHECKED OK.

Part: SKIN — CRACKED (NR 1 NACELLE)

DURING PERIODIC CHECK, THE NR 1 ENGINE NACELLE STRUT SKIN PANEL WAS FOUND WITH A CRACK COMING OUT OF THE 433AL ACCESS PANEL. CRACKS WERE APPROXIMATELY 0.75 INCH LONG IN THE SKIN, DOUBLER, AND TRIPLER. INSTALLED REPAIR PER NWA EA 55-98174. MFG PART NUMBER 311N3450-13, -15.

Part: FLOOR BEAM — CORRODED (FS 365)

DURING PERIODIC CHECK, THE FS 365 FLOOR BEAM UPPER CHORD WAS FOUND WITH TYPICAL CORROSION. REMOVED CORROSION AND INSTALLED REPAIR ANGLE PER NWA EA 55-98176.

Part: FLOOR BEAM — CORRODED (FS 377)

DURING PERIODIC CHECK, THE FS 377 FLOOR BEAM UPPER CHORD WAS FOUND WITH TYPICAL CORROSION. REMOVED CORROSION AND INSTALLED REPAIR ANGLE PER NWA EA 55-98175.