N72824

Part: BATTERY PACK — INOPERATIVE (CABIN) · airframe 45,139 hrs · 21,203 cycles

INSPECTION FOUND FIRST CLASS CEILING EMERGENCY LIGHTS INOPERATIVE. THE FORWARD CEILING EMERGENCY LIGHT BATTERY PACK WAS REMOVED AND REPLACED.

Part: POWER SUPPLY — INOPERATIVE (CABIN) · airframe 44,134 hrs · 20,675 cycles

BOTH OVERWING EMERGENCY EXIT LIGHTS WOULD NOT ILLUMINATE DURING LIGHT TEST. THE B5-49 POWER SUPPLY WAS REMOVED AND REPLACED. THE OVERWING EMERGENCY EXIT LIGHTS TESTED GOOD.

Part: CABLES — OUT OF ADJUST (TAIL CONE)

TAIL CONE DROP FAILED USING INTERIOR TAIL COMPARTMENT RELEASE HANDLE. THE TAIL CONE INTERIOR PULL WAS ADJUSTED WITHIN LIMITS IAW MM 53-50-00.

Part: ANGLE — CRACKED (BS 1485)

INSPECTION FOUND A .75 INCH CRACK IN LT FUSELAGE TO VERTICAL STABILIZER ATTACH ANGLE AFT OF VERTICAL REAR SPAR AT STA 1485. THE ANGLE WAS TRIMMED AND A REPAIR WAS INSTALLED IAW SRM 53-05, FIGURE 23A.

Part: SEAT TRACK — CORRODED (BS 1102-1215)

INSPECTION FOUND LEFT I/B SEAT TRACK CORRODED AT STA 1102-1215. THE SEAT TRACK WAS REMOVED AND REPLACED IAW SRM 51-30-1.

Part: BATTERIES — DISCHARGED (ROW 7-10)

INSPECTION FOUND THE AISLE EMERGENCY CEILING LIGHTS INOPERATIVE BETWEEN ROWS 7-10. THE EMERGENCY LIGHT BATTERIES WERE REPLACED AND OPERATION CHECKED GOOD IAW MM 33-53-00, PAGE 401.

Part: INTERCOSTAL — CRACKED (BS 769-788)

INSPECTION FOUND TWO .75 INCH CRACKS IN MID BAGGAGE BIN CEILING INTERCOSTAL AT STA 769-788, AIRCRAFT CENTERLINE. THE CRACKS WERE STOP DRILLED. A REPAIR DOUBLER WAS FABRICATED AND INSTALLED IAW SRM 53-01, FIGURE 2.

Part: JAMB — CORRODED (CARGO DOOR)

INSPECTION FOUND MID CARGO DOOR JAMB BEAM CORRODED. A DOUBLER REPAIR WAS INSTALLED IAW SRM 53-05, FIGURE 63.

Part: PAN — CRACKED (AFT CARGO DOOR)

INSPECTION FOUND AFT BAGGAGE BIN DOOR PAN DOUBLER AROUND FORWARD LATCH CAM CRACKED OUT. A DOUBLER REPAIR WAS INSTALLED IAW ECRA 5230-01360.

Part: CABLES — OUT OF ADJUST (TAIL CONE)

THE FORCE REQUIRED TO PULL THE TAILCONE INTERIOR AND EXTERIOR RELEASE HANDLES EXCEEDED LIMITS. ADJUSTED TAILCONE CABLES IAW MM 53-53-00.

Part: T3 BLADE — FAILED (NR 1 ENGINE)

THE NR 1 ENGINE EXPERIENCED A TURBINE FAILURE AFTER TAKEOFF FROM IAH. THE AIRCRAFT WAS RETURNED TO IAH. THE NR 1 ENGINE WAS REMOVED AND REPLACED. THE SDR WILL REMAIN OPEN FOR PART INFORMATION PENDING INVESTIGATION. TEARDOWN REVEALED PRIMARY CAUSE OF ENGINE FAILURE WAS DUE TO FAILURE OF A T-3 BLADE.

Part: SWITCH — CONTAMINATED (GEAR HANDLE)

ALL THREE RED GEAR UNSAFE LIGHTS REMAINED ILLUMINATED AFTER GEAR RETRACTION. THE GEAR WAS CYCLED AND THE APPROPRIATE CHECKLIST WAS FOLLOWED, BUT THE LIGHTS REMAINED ON. THE LIGHTS WENT OFF APPROXIMATELY 10 MINUTES AFTER TAKEOFF AND THE FLIGHT WAS CONTINUED TO IAH WHERE IT LANDED WITHOUT INCIDENT. MAINTENANCE PINNED THE GEARS AND CHECKED THE THROTTLE SWITCHES AND GEAR HANDLE SWITCH. DEBRIS WAS FOUND ON THE GEAR HANDLE SWITCH. THE SWITCH WAS CLEANED WITH OPERATION AND INDICATIONS CHECKING NORMAL.

Part: PROX CONTROL — INOPERATIVE (LANDING GEAR)

ALL THREE RED GEAR UNSAFE LIGHTS REMAINED ILLUMINATED AFTER TAKEOFF. THE GEAR WAS CYCLED, BUT THE LIGHTS DID NOT EXTINGUISH. THE LIGHTS WERE INTERMITTENT FOR A WHILE AND WENT OUT AFTER 2O MINUTES. THE FLIGHT WAS CONTINUED WITHOUT FURTHER PROBLEM. TROUBLESHOOTING BY MAINTENANCE FOUND THE PROXIMITY CONTROL UNIT AT FAULT. THE PROXIMITY CONTROL UNIT WAS REPLACED. GEAR INDICATIONS CHECKED NORMAL. PART TOTAL CYCLES, 26,106.

Part: EEL GROUND WIRE — INOPERATIVE (CABIN)

CLE - INSPECTION FOUND THE LT AND RT FORWARD OVERWING EMERGENCY EXIT LIGHTS INOPERATIVE DURING 'A' CHECK. THE GROUND WIRE AT STUD IN FRAME SECTION WAS FOUND READING 20,000 OHMS. THE TERMINAL END WAS REPLACED AND OPERATION OF THE EMERGENCY EXIT LIGHTS CHECKED GOOD. (X)

Part: SENSOR — INOPERATIVE (NLG)

FLT NR 0459 - IAH - THE NOSE GEAR RED LIGHT REMAINED ILLUMINATED AFTER GEAR RETRACTION LEAVING IAH. CYCLING THE GEAR DID NOT HELP. THE AIRCRAFT WAS RETURNED TO IAH WHERE IT LANDED WITHOUT INCIDENT. THIS WAS THE SECOND AIR RETURN FOR THE SAME INDICATION PROBLEM. MAINTENANCE FOUND THE NOSE GEAR OVERCENTER SENSOR AT FAULT. THE SENSOR WAS REMOVED AND REPLACED. NOSE GEAR OPERATION AND INDICATION CHECKED NORMAL. (W)

Part: STRUT — FLAT (NLG)

IAH - FLT 0605 - THE NLG RED UNSAFE LIGHT REMAINED ILLUMINATED AFTER LANDING GEAR RETRACTION. THE GEAR WAS CYCLED, BUT THE LIGHT DID NOT EXTINGUISH. THE AIRCRAFT WAS RETURNED TO IAH WHERE IT LANDED WITHOUT INCIDENT. MAINTENANCE FOUND NLG STRUT FLAT. THE NOSE STRUT WAS REPACKED PER MM 32-21-02, PAGE 401 - PAGE 405. THE GEAR WAS SWUNG FOUR TIMES AND OPERATION CHECKED GOOD. (X)

Part: STRUT — LOW PRESSURE (NLG)

CLE - FLT 0752 - NOSE GEAR RED UNSAFE LIGHT REMAINED ILLUMINATED AFTER GEAR RETRACTION LEAVING TPA. THE GEAR WAS CYCLED, BUT HAD NO EFFECT ON LIGHT. THE RED LIGHT EXTINGUISHED APPROXIMATELY 15 MINUTES LATER WHILE PASSING THROUGH 28,000 FEET. THE AIRCRAFT LANDED AT CLE WITHOUT INCIDENT. MAINTENANCE FOUND NLG STRUT PRESSURE LOW. THE STRUT SERVICED TO THE PROPER PRESSURE AND X-DIMENSION PER MM 32-21-02. THE NOSE GEAR WAS SWUNG 5 TIMES AND ALL INDICATIONS NORMAL. NO OTHER DEFECTS NOTED. (X)