N1731D

Part: PUMP — WEAK (NR 1 ENGINE)

A/C RETURNED FROM FLIGHT WITH A NR 1 ENGINE VIBRATION. FOUND THAT ENGINE WAS HIDING OIL IN GEAR CASE RESULTING IN A VIBRATION AT HIGHER POWER SETTINGS. GROUND RAN ENGINE AT HIGHER POWER SETTINGS UNTIL OIL SCAVENGED FROM GEAR CASE AND DRAINED OFF EXCESS AS ENGINE WAS OVER SERVICED DUE TO HIDDEN OIL. ALSO, REPORTS OF SMOKE IN CABIN DUE TO OIL VAPOR IN CABIN FROM OVER SERVICED ENGINE. REPLACED ENGINE.

Part: LIGHT — FAILED (COCKPIT)

DURING PREFLIGHT, COCKPIT FILLED UP WITH SMOKE AND FUMES FROM CAPT FLOOD LIGHT. REMOVED AND REPLACED CAPT FLOOD LIGHT RHEOSTAT, GROUND TEST NML.

Part: COUNTERBALANCE — FAILED (R4 DOOR)

A/C IS IN FOR LETTER CHECK, OPNS 52148 & 68115 BOTH PERTAINING TO INSPECTION AND OPERATION OF PASSENGER AND EMERGENCY DOORS. FOUND R4 DOOR WOULD NOT OPEN COMPLETELY. NON-ROUTINE CARD 160 WAS INITIATED. FURTHER EVALUATION FOUND FAILURE OF THE COUNTERBALANCE TO BE THE CAUSE. REPLACED SAME.

Part: POWER SUPPLY — INOP (GALLEY)

DURING LAYOVER, EMERGENCY CEILING LIGHTS BY L2/R2 INOP. POWER SUPPLY DOES NOT CHARGE. REPLACED POWER SUPPLY.

Part: WIRE — BROKEN (CABIN)

EMERGENCY LIGHTS AT L2 R2 X-AISLE INOP. REPAIRED BROKEN WIRE AND OPS NORMAL.

Part: SKIN — CRACKED (FS 328)

AT HMV, FS 328 BLKHD EXTRNL SKIN DOUBLERS WERE FOUND CORRODED BETWEEN THE FUSE SKIN AND SKIN DOUBLER. ADDITIONAL INSPECTION FOUND TWO CRACKS IN THE FUSE SKIN AND ORIGNAL INTERNAL DOUBLER. REPAIRED PER ERA 331542-14AD.

Part: RIB — CRACKED (WS 529)

RT WING IWS 529 RIB, UPPER CAP WAS FOUND CRACKED. PART REPLACED PER ERA 331467-14.

Part: FITTING — CRACKED (BS 449)

DURING RTN INSPECTION OF THE FS 449 BLKHD WALL, TYP DAMAGE WAS FOUND TO THE RT NLG TRUNNION FITTING. REPAIRED PER ERA 331464-14AD.

Part: SKIN — CRACKED (WS 570)

WHILE ACCOMPLISHING INSPECTIONS PER SI 7-70958-12AD, A CRACK INDICATION WAS FOUND ON THE LT WING LWR SURFACE AT IWS 570, S10. REPAIRED PER ERA 331492-14AD.

Part: PRESSURE DECK — CRACKED (BS 395-437)

NLG PRESSURE DECK WAS FOUND CRACKED IN FIVE LOCATIONS. ALL WERE AT THE EDGES OF PAD UP AREAS IN THE PANEL WHERE THE NLG VERT WALL STIFFENERS TIE INTO THE PRESSURE DECK. REPAIRED PER ERA 331507-14.

Part: SKIN — CRACKED (WS 477)

WHILE ACCOMPLISHING INSPECTION PER SI7-70953-12AD, A CRACK INDICATION WAS FOUND ON THE RT WING LWR SURFACE AT IWS 477, S17. REPAIRED PER ERA 331493-14AD.

Part: SKIN — CORRODED (BS 1615)

MULTI ELEMENT CORROSION WAS FOUND IN THE AFT LT SIDE OF THE C2 CARGO COMPT BETWEEN FS 1585 AND FS 1665. DAMAGE INCLUDES SKIN, STRINGERS, FRAME AND SKIN CLIP. REPAIRED PER ERA 331474-14.

Part: SKIN — DENTED (BS 718)

DENTS FOUND ON FUSE SKIN FROM 709 TO 730 BETWEEN S22-24. REPAIRED PER ERA 331484-14.

Part: FITTING — CORRODED (BS 901)

TWO OF THE LWR DOOR SILL INBD CAP FITTINGS LOCATED AT FS 901 USED ON BOTH RT AND LT SIDES WERE FOUND CORRODED AND REQUIRED REPLACEMENT. REPAIRED PER ERA 331465-14.

Part: PANEL — CRACKED (FS 380)

FUSE HORIZ PRESSURE DECK PANEL WAS FOUND WITH APPROX 0.75 INCH CRACK. THE CRACK IS LOCATED AT RBL 102 JUST AFT OF FS 378. REPAIRED PER ERA 331483-14.

Part: SKIN — CORRODED (BS 760)

CORROSION WAS FOUND ON THE FWD BELLY SKIN BETWEEN FS 539 AND 983. REPAIRED PER ERA 331516-14.

Part: SKIN — CRACKED (PAX DOORWAY)

A TYP CRACK WAS FOUND AT THE UPPER AFT CORNER OF THE R1 DOOR PASSENGER DOOR. REPAIRED PER ERA 331475-14.

Part: FITTING — CRACKED (BS 449)

DURING RTN INSPECTION OF THE FS 449 BLKHD, TYP DAMAGE WAS FOUND TO THE RT NLG TRUNNION FITTING. THE FITTING HAD A CRACK IN THE INBD FLANGE. THIS CRACK IS TYP PER SB 093-53-233. THIS AC WAS PREVIOUSLY REPAIRED USING THE 1642622-101/-102 PREVENATIVE MOD PER SAME SB. REPAIRED PER ERA 331464 14AD.

Part: SKIN — CORRODED (BS 790)

FUSELAGE/SKIN FS 783 TO 805 STR 33 TO 35 : CORROSION CUTOUT REPAIR. THE FUSELAGE SKIN BETWEEN FS 783 AND 805 AND STR 33 TO 35 WAS FOUND CORRODED RESULTING IN TWO CUTOUTS. THE SKIN CUTOUTS WERE REPAIRED WITH A DOUBLER AND TRIPLER PER ER/A 363222-14 REV A.

Part: PROJECTOR — FAILED (CABIN)

AFT PROJECTOR QUIT RUNNING AND EMITTED BURNED SMELL IN CABIN. DISCONNECTED CANNON PLUG AND COAX CABLE. REPLACED PROJECTOR.

Part: CHIP DETECTOR — DEFECTIVE (NR 2 ENGINE)

NR 2 ENG OIL QTY DROPPED TO ZERO, OIL PRESS LOW LIGHT ILLUMINATED. ENG SHUTDOWN, PERFORMED VISUAL INSP, FOUND MASTER CHIP DETECTOR HOUSING DEFECTIVE AND PACKINGS ON CHIP DETECTOR ONE CUT AND ONE MISSING. REPLACED CHIP DETECTOR HOUSING AND PACKINGS, RAN ENG ALL CKS NML.

Part: SKIN — CORROSION (BS 1550)

THE RT SIDE FUSELAGE BONDED SKIN ASSEMBLY WAS FOUND CORRODED AT STA 1550 IN THE AREA OF STRINGER 28 AND 29. IN ADDITION, A SECTION OF THE C2 DOOR SURROUND TRIPLER WAS FOUND CORRODED IN THE SAME AREA. THE DAMAGE CUTOUTS WERE: 6 (FWD/AFT) X 11 (UP/DOWN) IN THE SKIN AND 1 (FWD/AFT) X 8 (UP DOWN) IN THE DOOR TRIPLER. THE ADJACENT INTERNAL TEAR STRAP WAS ALSO FOUND CORRODED AND WAS REPAIRED PER THE SRM. THE AREA WAS REPAIR WITH A DOUBLER AND APPROVED PER FAA/DER FORM 8110-3, DER DESIGNATION SO-775, DTD 6-30-97.

Part: POWER SUPPLY — INOPERATIVE (CABIN)

EMERGENCY LIGHTS INOP AT R3, EXIT SIGNS AND CEILING LIGHTS. REMOVED AND REPLACED EMERGENCY PWR SUPPLY, CKS NORMAL.

Part: SEAL — FAILED (C 2 DOOR)

RAPID LOSS OF CABIN PRESS AT FL 350, OUTFLOW VLV IN NORMAL AND WERE FIXED THERE USING MANUAL CONTROL PRESS CONTROL. SYSTEM SEEMED NORMAL PASSENGERS OXY SYSTEM ACTIVATED AUTO ON X/FEED. VALVE CLOSED NR 3 HP VLV WAS LATCHED. NOISE REPORTED AT ROW 45. FOUND C2 DOOR SEAL BLOWN OUT AT TOP OF DOOR.

Part: PSU — CRACKED (CABIN)

PASSENGER O2 MASKS AT ROWS 37C DID NOT DEPLOY AUTOMATICALLY OR MANUALLY. ALSO, TUBES AT 36EFG WERE TOO SHORT. REPLACED PSU AT 36EFG AND PSU AT 37C. PERFORMED ADJUSTMENT AND TEST, CHECKS OK.

Part: OXYGEN MASK — FAILED TO DROP (CABIN)

FOLLOWING RAPID LOSS OF CABIN PRESURE AT FL 350, MASK AT SEAT 37 C, F, G DID NOT DROP. ALSO, MASK AT 36 E, F, G WERE TO SHORT. REPLACED PSU AT ALL LOCATIONS AND PERFORMED BITE TES, SYS CK NORMAL.

Part: POWER SUPPLY — INOPERATIVE (CABIN)

ON L/L CK, FOUND EMERG LIGHT AND SIGN AT 4L DOOR GOES OUT AFTER A FEW SECONDS TEST. REPLACED PWR SUPPLY AT 4L DOOR. TEST WAS GOOD PER MM.

Part: FUEL FLOW REG — MALFUNCTIONED (NR 3 ENGINE)

TAILPIPE FIRE NR 3 ENG AT THE START OF T/O ROLL. ACCOMPLISHED EMERGENCY PROCEDURES AND FOLLOW UP ITEM IN POM. SPEED NEVER EXCEED 10 KTS, NO ENGINE PARAMETERS EXCEEDED ENGINE ROLLBACK AND SHUTDOWN AS THROTTLE BROUGHT TO IDLE. REPLACED FUEL FLOW REGULATOR PER M/M, NO LEAKS ON ENG RUN. OPERATION NORMAL PER PFHB, PERFORMED VISUAL INSPECT ENG AND PYLON AND NO DAMAGE FOUND.

Part: PUMP — CRACKED (NR 2 ENG)

IN CRUISE B-SYSTEM HYDRAULIC RESERVOIR LOW QUANTITY LIGHT ON WITH FLUID LEVEL AT THREE-EIGHTS FULL. AT SAME TIME, NOTED B2 ATM ON PRESSURIZING B-HYDRAULIC SYSTEM AND B-PUMP LOW PRESSURE LIGHT ON FLUID LOSS STOPPED WITH PUMPS TURNED OFF. FOUND B-SYSTEM ENGINE DRIVEN PUMP CASTING CRACKED. REPLACED SAME. OPS CHECK GOOD.

Part: BLKHD WEB — CRACKED (FS 1363)

A CRACK WAS FOUND IN THE FS 1363 BULKHEAD WEB AND LOWER CAP, LOCATED BETWEEN STR 47 AND 48. REPAIRED PER DL ERA 271397-14.

Part: NOSE COWL — CRACKED (1/3 ENG)

DURINE A ROUTINE SHOP INSPECTION, NR 1 ENGINE NOSE COWL, FOUND CRACKED AT FORWARD BULKHEAD OUTER ANGLE OF NOSE COWL. THE CRACK WAS REPAIRED PER SRM 54-21-00.

Part: SKIN — DELAMINATED (SPOILER)

ON INITIAL SHOP INSPECTION, SPOILER PANEL WAS FOUND WITH 4 AREAS OF DELAMINATION ON THE LOWER SKIN. AT 48 INCHES, AND 4 INCHES FROM THE OUTBOARD END OF SLAT ON THE TRAILING EDGE, ALSO AT THE INBOARD TRAILING EDGE AND 24 INCHES FROM THE INBOARD END AT THE T/E OF SLAT, REPAIRED PER SRM 57-52-00.