N937MC

Part: APU — LOW OIL (AFT FUSELAGE)

WHILE OPERATING THE APU IN FLIGHT WITH THE AC CROSSTIE RELAY PLACARDED INOPERATIVE. THE APU AUTO SHUTDOWN. MAINTENANCE SERVICED THE APU WITH OIL, NO LEAKS WERE DETECTED.

Part: OIL FILTER — CLOGGED (NR 2 ENGINE)

THE RIGHT ENGINE OIL STRAINER CLOGGING LIGHT ILLUMINATED AFTER TAKEOFF. THE RIGHT ENGINE OIL TEMPERATURE WAS IN THE YELLOW RANGE. THE RIGHT ENGINE WAS REDUCED TO IDLE AND THE AIRCRAFT WAS RETURNED TO IAH WHERE IT LANDED WITHOUT INCIDENT. MAINTENANCE FOUND CARBON PARTICLES CLOGGING THE RIGHT ENGINE OIL FILTER. THE OIL FILTER WAS REPLACED. THE RIGHT ENGINE WAS RUN AT IDLE AND AT POWER FOR SEVERAL MINUTES AND ALL PARAMETERS WERE NORMAL WITH NO OIL CLOG LIGHT INDICATION. THE OIL FILTER WAS RECHECKED AND FOUND FREE OF DEBRIS.

Part: SKIN — CRACKED (PAX DOOR)

INSPECTION FOUND A 1 INCH CRACK IN MAIN CABIN DOOR SKIN LOWER CORNER. A DOUBLER WAS INSTALLED IAW SRM 52-05, FIGURE 37.

Part: JAMB — CORRODED (BS 370-427)

INSPECTION FOUND CORROSION ON LOWER AND FORWARD DOOR JAMB PAN IN FORWARD BAGGAGE BIN AT STA 370 TO 427. THE CORRODED SECTION WAS CUT OUT AND A NEW PAN SECTION WAS INSTALLED IAW SRM 53-05, FIGURE 44.

Part: MEMBRANE — CORRODED (BS 740-745)

INSPECTION FOUND LEFT CUSP MEMBRANE CORRODED BETWEEN STA 740 TO 745. A DOUBLER WAS INSTALLED IAW SRM 53-01, FIGURE 2.

Part: MEMBRANE — CORRODED (BS 560-712)

INSPECTION FOUND LT CUSP MEMBRANE CORRODED AT STA 560 TO 712. A DOUBLER WAS INSTALLED IAW SRM 53-01, FIGURE 2.

Part: PAN — CRACKED (PAX DOOR)

INSPECTION FOUND A 2 INCH CRACK IN MAIN CABIN DOOR PAN FRAME LOWER FORWARD CORNER IN CUTOUT FOR LOWER HINGE ARM. THE DOOR PAN WAS REPLACED IAW SRM 51-30-2.

Part: LONGERON — CORRODED (BS 489-496)

INSPECTION FOUND SKIN AND LONGERON 30 CORRODED AT STA 489 TO 496. THE CORRODED SECTION OF LONGERON WAS CUT OUT AND A NEW SECTION OF LONGERON WAS SPLICED IN. THE FUSELAGE SKIN WAS BURNISHED OUT. WORK WAS PERFORMED IAW SRM 53-02, FIGURE 1.

Part: ANGLE — CRACKED (VERT STAB)

INSPECTION FOUND A .25 INCH CRACK IN FORWARD RT INNER ATTACH ANGLE OF VERTICAL STABILIZER. THE ANGLE WAS REPLACED IAW SRM 51-30-2.

Part: CABLES — OUT OF ADJUST (TAIL CONE)

THE TAILCONE INTERIOR RELEASE HANDLE REQUIRED 45 POUNDS OF PULL TO RELEASE TAILCONE. THE TAILCONE CABLES WERE ADJUSTED IAW MM 53-53-00.

Part: CLIPS — OUT OF ADJUST (TAIL CONE)

THE TAILCONE INTERIOR HANDLE PULLED FROM CLIPS AT 37 POUNDS. THE CLIPS WERE ADJUSTED IAW MM 53-53-00.

Part: SLIDE — LOW PRESSURE (TAIL CONE)

INSPECTION FOUND THE TAILCONE EMERGENCY SLIDE PRESSURE LOW. THE TAILCONE SLIDE WAS REMOVED AND REPLACED IAW MM 25-62.

Part: STRUT — LOW PRESSURE (NLG)

THE NOSE GEAR RED UNSAFE LIGHT REMAINED ILLUMINATED AFTER GEAR WAS RETRACTED. CYCLING THE GEAR DID NOT HELP. THE AIRCRAFT WAS RETURNED TO EWR WHERE IT LANDED WITHOUT INCIDENT. MAINTENANCE FOUND THE NLG SHOCK STRUT PRESSURE LOW. A FULL STRUT SERVICE WAS PERFORMED IAW MM 32-21-02. THE NOSE GEAR WAS SWUNG WITH OPERATION AND INDICATIONS CHECKING NORMAL.

Part: WIRE — BROKEN (CABIN)

INSPECTION FOUND EMERGENCY FLOOR TRACK LIGHTING FROM ROWS 25 TO 32 LOOSE AND INOPERATIVE. MAINTENANCE FOUND A BROKEN WIRE IN AFT SECTION. THE WIRE WAS REPLACED AND OPERATION OF THE TRACK LIGHTING WAS RESTORED.

Part: WIRE — BROKEN (CABIN)

INSPECTION FOUND THE AFT CABIN FLOOR PATH EMERGENCY LIGHTING INOPERATIVE. MAINTENANCE FOUND A BROKEN WIRE IN AFT SECTION OF EMERGENCY TRACK LIGHTING. THE WIRE WAS SPLICED AND OPERATION OF THE PATH LIGHTING CHECKED GOOD.

Part: IGNITION SYST — INOPERATIVE (APU)

THE APU SHUT DOWN WHILE EN ROUTE TO EWR. A RESTART ATTEMPT WAS UNSUCCESSFUL. THE APU COMBUSTOR UNIT AND IGNITION EXCITER WERE REMOVED AND REPLACED. THE APU WAS OPERATED SEVERAL TIMES AND LEAK AND OPERATIONAL CHECKS WERE GOOD. PART TOTAL CYCLES, 5,593.

Part: STATOR SUPPT — BROKEN (NR 2 ENGINE)

THE NR 2 ENGINE COMPRESSOR BEGAN TO STALL AFTER TAKEOFF AT 13,000 FEET. THE AIRCRAFT WAS RETURNED TO CLE WHERE IT LANDED WITHOUT INCIDENT. INSPECTION BY MAINTENANCE FOUND DAMAGE TO THE NR 2 ENGINE 13TH STAGE COMPRESSOR. THE NR 2 ENGINE WAS REMOVED AND REPLACED. THE SDR WILL REMAIN OPEN FOR PART INFORMATION PENDING INVESTIGATION. *S/D* SHOP FINDINGS REVEALED AN 8TH STAGE STATOR SUPPORT (SHELF) BROKEN.

Part: CURRENT LIMITER — BLOWN (AC CROSS-TIE RLY)

ORF - FLT 0443 - THE LEFT ENGINE GENERATOR WAS LOST ACCOMPANIED BY FEEDER FAULT LIGHT AND A CROSS-TIE LOCK OUT WHILE EN ROUTE FROM EWR TO FLL. THE AIRCRAFT WAS DIVERTED TO ORF WHERE IT LANDED WITHOUT INCIDENT. MAINTENANCE FOUND THE AC CROSS-TIE RELAY PHASE CURRENT LIMITER BLOWN. THE CURRENT LIMITER WAS REPLACED. THE GENERATORS WERE OPERATED WITH BOTH ENGINES RUNNING AND OPERATION CHECKED GOOD. THE AC CROSS-TIE SYSTEM TESTED NORMAL. (X)

Part: STRUT — FLAT (NLG)

FLT NR 305 - EWR - THE NOSE GEAR WOULD NOT RETRACT AFTER TAKEOFF FROM EWR. THE RED NOSE GEAR UNSAFE LIGHT REMAINED ILLUMINATED UNTIL THE GEAR HANDLE WAS SELECTED DOWN FOR RETURN TO EWR. THE NOSE GEAR LIGHT INDICATED GREEN FOR LANDING AT EWR. MAINTENANCE FOUND THE NLG SHOCK STRUT BOTTOMED OUT. A FULL NOSE STRUT SERVICING WAS PERFORMED IAW MM 32-21-02. THE NOSE STRUT SCHRADER VALVE WAS REMOVED AND REPLACED AS A PRECAUTIONARY MEASURE. THE NOSE GEAR GEAR WAS CYCLED SEVERAL TIMES AND LEAK AND OPERATIONAL CHECKS WERE GOOD. (M)