N7255U

Part: LIGHT — FAILED (ROW 9) · airframe 64,844 hrs · 37,071 cycles

EMERGENCY EXIT LIGHT CENTER CABIN INOPERATIVE. *S/D* OVERHEAD EMERGENCY LIGHT ASSEMBLY. REPLACED OVERHEAD EMERGENCY LIGHT ASSEMBLY CENTER AISLE AT ROW 9, OPS GOOD.

Part: SKIN — CRACKED (FUSELAGE) · airframe 64,517 hrs · 36,855 cycles

A CRACK IN THE FUSELAGE SKIN AND BEAR STRAP WAS DETECTED PROPAGATING FROM THE AFT LOWER CORNER OF THE FORWARD GALLEY DOOR OPENING. THE CRACK WAS PROPAGATING UNDERNEATH THE THRESHOLD PLATE. AFTER THE THRESHOLD PLATE WAS REMOVED THE CRACK WAS FOUND TO EXTEND A TOTAL OF 3.25 INCH DIAGONALLY FROM THE CORNER THROUGH THREE FASTENERS. A PERMANENT DOUBLER-TRIPLER REPAIR WAS INSTALLED PER BOEING SERVICE BULLETIN 727-53-0188, REV 2, FIGURE 3.

Part: VALVE — MALFUNCTIONED (CABIN)

UNABLE TO CONTROL CABIN PRESSURE DURING DESCENT. CLOSING HEAT OUTFLOW VALVE AND ADDING POWER HELPED. *S/D* REPLACED CABIN PRESSURE REGULATOR SHUTOFF VALVE.

Part: VALVE — MALFUNCTIONED (NR 3 FUEL TANK)

UNWANTED FUEL TRANSFER FROM NR 2 TANK TO NR 3 TANK. *S/D* REPLACED THE NR 3 TANK FUEL MANIFOLD VALVE.

Part: BATTERY — DISCHARGED (CABIN)

EMERGENCY EXIT LIGHT AT BOTTOM OF AFT AIRSTAIR IS INOPERABLE. REPLACED BATTERY, OPERATIONS CHECK NORMAL.

Part: INFLATION TUBE — LEAKS (SLIDE)

SLIDE REMOVED FOR AIR CRUISES SERVICE INFORMATION LETTER SIL 25-98. DURING SHOP OVERHAUL INFLATION TUBE DEVELOPED A SEAM LEAK. SLIDE SCRAPPED.

Part: TRANSMISSION — WORN (TE FLAPS)

DIVERTED TO MIA DUE TO SPLIT FLAP INDICATION ON CLIMBOUT. *S/D* REPLACED RIGHT INBOARD FLAP TRANSMISSION DUE TO BINDING.

Part: BATTERIES — DISCHARGED (CABIN)

LEFT WING EMERGENCY EXIT DOOR EMERGENCY LIGHT INOPERATIVE. REPLACED BATTERIES AND CHECKS OKAY.

Part: LIGHT — FAILED (CABIN)

1 LEFT EMERGENCY LIGHT DOES NOT ILLUMINATE WITH LOSS OF ESS POWER. REPLACED LIGHT ASSEMBLY.

Part: CONNECTOR — GROUNDED (NR 3 ENGINE)

NR 3 ENGINE FIRE WARNING SYSTEM SHOWS GROUND FAULT AND NR 3 FIRE DETECTOR CIRCUIT GROUND LIGHT ILLUMINATED IN FLIGHT. CLEANED CONNECTOR D1504 ON NR 3 ENGINE AND GROUND CHECKS OKAY.

Part: CLIPS — OUT OF POSITION (CARGO DOOR)

FLIGHT DIVERTED TO ORD DUE TO UNABLE TO MAINTAIN CABIN PRESSURE. AT FLIGHT LEVEL, CABIN REACHED 11,000 FEET. UNABLE TO MAINTAIN CABIN ALTITUDE LOWER. FOUND DOOR NET CLIPS STUCK BETWEEN DOOR JAMB AND SEAL. INSTALLED NET CORRECTLY.

Part: FUEL CONTROL — MALFUNCTIONED (LT ENGINE)

ABORTED TAKEOFF AT 90 KNOTS WHEN A/C VEERED TO THE LEFT WITH FULL RIGHT RUDDER APPLIED. REPLACED THE FUEL CONTROL UNIT. THE FCU WAS OVERHAULED, BUT A SPECIFIC CAUSE OF FAILURE COULD NOT BE DETERMINED.