N14307

Part: SLIDE — UNSERVICEABLE (L2 DOOR) · airframe 54,600 hrs · 28,807 cycles

INSPECTION FOUND THE L-2 DOOR EMERGENCY SLIDE PRESSURE LOW. THE EMERGENCY ESCAPE SLIDE WAS REMOVED AND REPLACED IAW MM 25-61-35.

Part: SKIN — CRACKED (CARGO DOOR) · airframe 53,985 hrs · 28,464 cycles

INSPECTION FOUND A CRACK IN THE AFT CARGO DOOR INNER SKIN. THE SKIN WAS REPAIRED IAW ECRA 5232-01027.

Part: FLOORBEAM — CORRODED (FUSELAGE) · airframe 53,985 hrs · 28,464 cycles

INSPECTION FOUND CABIN FLOORBEAM CORRODED AROUND NUT PLATE HOLE AT STA 344, LBL 35. REPAIRED ONE FLANGE OF THE FLOORBEAM UPPER CHORD IAW SRM 53-10-51, FIGURE 206, SHEET 4.

Part: PRESSURE PANEL — CRACKED (STA 664) · airframe 53,682 hrs · 28,308 cycles

INSPECTION FOUND A .5 INCH CRACK IN PRESSURE DECK WEB AT STA 664, RBL 30. REPAIRED PRESSURE WEB IAW SRM 53-60-51.

Part: PRESSURE PANEL — CRACKED (FUSELAGE) · airframe 53,682 hrs · 28,307 cycles

INSPECTION FOUND A 2 INCH CRACK IN PRESSURE DECK AT BS 664, LBL 30. REPAIRED IAW ECRA 5360-01078.

Part: RUDDER — CRACKED (TAIL SECTION) · airframe 51,724 hrs · 27,257 cycles

WHILE AIRCRAFT WAS IN HOLD FOR PAINT JOB AT VENDOR FACILITY THE RUDDER SUSTAINED DAMAGE. INSPECTION FOUND THAT THE RUDDER LOWER WEB HAD AN 8" CRACK WITH A HOLE AND SHORTER CRACKS EMANATING FROM IT. THE LEFT LOWER SKIN OF RUDDER HAD TWO CRACKS IN SAME AREA. THE RUDDER WAS REMOVED AND REPLACED IAW MM 27-21-11, PAGE 401-403. A TEST FLIGHT WAS CONDUCTED AND OPERATION CHECKED GOOD.

Part: SPAR CAP — CORRODED (R/H HOR STAB) · airframe 50,822 hrs · 26,839 cycles

INSPECTION FOUND R/H HORIZONTAL STABILIZER AFT UPPER SPAR CAP CORRODED ON TOP SIDE O/B END UNDER T/E SKIN PANEL. REPAIRED IAW ECRA 5510-01611.

Part: WEB — CRACKED (L-1 DOOR) · airframe 50,822 hrs · 26,839 cycles

INSPECTION FOUND A 2" CRACK IN L-1 DOOR LOWER FORWARD WEB AT LOWER FORWARD STOP FITTING. THE CRACK WAS STOP DRILLED. A DOUBLER AND RADIUS BLOCK REPAIR WAS INSTALLED IAW ECRA 5265-01005 REV D AND ECRA 5210-01461.

Part: PLATE — CRACKED (#1 PYLON) · airframe 50,822 hrs · 26,839 cycles

INSPECTION FOUND A 4" CRACK IN #1 I/B PYLON NUTPLATE STRIP BETWEEN PANEL #5742 AND #5743. THE NUTPLATE STRIP WAS REMOVED AND REPLACED IAW SRM 51-10-2 AND 54-50-71.

Part: TRACK — CORRODED (STA 727-727E) · airframe 50,822 hrs · 26,839 cycles

INSPECTION FOUND AFT CARGO L/H O/B FLOOR TRACK CORRODED AT STA 727-727C. THE FLOOR TRACK WAS REMOVED AND REPLACED IAW SRM 53-60-53 AND 53-00-53.

Part: SKIN — CRACKED (L-1 DOOR) · airframe 50,822 hrs · 26,839 cycles

INSPECTION FOUND L-1 DOOR SKIN AT AFT INTERIOR EDGE CRACKED AT 4TH AND 5TH STOP FROM BOTTOM. THE CRACKS WERE 1" LONG. THE CRACKED AREAS WERE REMOVED AND A DOUBLER WAS INSTALLED AT EACH LOCATION IAW SRM 51-70-11, FIGURE 1.

Part: BELTFRAME — CORRODED (STA 500) · airframe 50,822 hrs · 26,839 cycles

INSPECTION FOUND FORWARD BAGGAGE BIN BELTFRAME CORRODED AT STA 500, AFT SIDE, O/B, S27R. REPAIRED BELTFRAME IAW SRM 53-00-09, FIGURE 203, PAGE 207-209.

Part: SWITCH — INOPERATIVE (MLG WW)

THE LANDING GEAR WOULD NOT RETRACT AFTER TAKEOFF FROM LGA. QRH PROCEDURES WERE COMPLIED WITH AND THE AIRCRAFT WAS DIVERTED TO EWR WHERE IT LANDED WITHOUT INCIDENT. MAINTENANCE FOUND THE M991 AIR SENSING SQUAT SWITCH AT FAULT. THE SWITCH WAS REMOVED AND REPLACED AND OPERATIONAL CHECKS WERE GOOD.

Part: SKIN — CRACKED (CARGO DOOR)

INSPECTION FOUND A .75 INCH CRACK IN C-2 DOOR SKIN AT DOOR HANDLE CUTOUT. A REPAIR WAS INSTALLED IAW SRM 52-00-01.

Part: FRAME — CRACKED (LT COCKPIT)

INSPECTION FOUND A .5 INCH CRACK IN CAPTAIN'S WINDOW FRAME. REPAIRED IAW ECRA 5330-02824.

Part: INTERCOSTAL — CRACKED (BS 178)

INSPECTION FOUND A 2 INCH CRACK IN INTERCOSTAL AT STA 178 STRINGER 19L AND A 2 INCH CRACK WAS FOUND IN INTERCOSTAL AT STA 178 STRINGER 19R. THE INTERCOSTALS WERE REMOVED AND REPLACED IAW ECRA 5310-01968.

Part: INTERCOSTAL — CORRODED (BS 986-1006)

INSPECTION FOUND INTERCOSTAL CORRODED AT STA 986 TO 1006, WL 208, LT SIDE. THE INTERCOSTAL WAS REMOVED AND REPLACED IAW SRM 51-10-2.

Part: SUPPORT — CORRODED (BS 328)

INSPECTION FOUND FLOOR SUPPORT CORRODED AT STA 328 FROM BL 0 TO RBL 70. REPAIRED IAW SRM 53-10-51.

Part: FLOORBEAM — CORRODED (BS 328)

INSPECTION FOUND FLOORBEAM CORRODED AT STA 328, LBL 50 TO LBL 30. REPAIRED IAW SRM 53-10-51.

Part: SEAT TRACK — CORRODED (BS 344-360)

INSPECTION FOUND SEAT TRACK CORRODED AT STA 344-360, LBL 40. A NEW SECTION OF SEAT TRACK WAS INSTALLED IAW SRM 53-00-52, FIGURE 202.

Part: HYD LINE — LEAKING (B-HYD SYST)

B-SYSTEM HYDRAULIC FAILURE. ENGINE NR 2 LOW PRESSURE WARNING. FOUND LINE BETWEEN B-SYSTEM HYDRAULIC SYSTEM PUM TO ACOUSTIC FILTER LEAKING. REPLACED LINE.

Part: CIRCUIT CARD — MALFUNCTIONED (LOGIC SHELF)

THE NOSE GEAR RED UNSAFE LIGHT ILLUMINATED AT ALTITUDE AND REMAINED ON. WHEN THE GEAR HANDLE WAS LOWERED, THE RED LIGHT STAYED ON AND THE GREEN LIGHT DID NOT COME ON. A MANUAL GEAR EXTENSION WAS PERFORMED AND A VISUAL CHECK THROUGH THE VIEW PORT SHOWED STRIPES ALIGNED. THE NOSE GEAR RED LIGHT WENT OUT AND THE GREEN LIGHT CAME ON AFTER TOUCHDOWN AND WEIGHT ON THE NOSE GEAR. MAINTENANCE WAS UNABLE TO DUPLICATE THE PROBLEM ON THE GROUND. THE M983 AND M1214 CIRCUIT CARDS WERE REMOVED AND REPLACED AS A PRECAUTIONARY MEASURE. BITE TEST AND GROUND CHECKS WERE GOOD IAW MM 32-09-20.

Part: LOCK SENSOR — INOPERATIVE (NLG)

THE AIRCRAFT HAD A HISTORY OF THE NLG RED UNSAFE LIGHT COMING ON IN FLIGHT. THE M983 LOGIC CARD HAD BEEN REPLACED PREVIOUSLY, BUT THE PROBLEM WAS REPEATED. MAINTENANCE REMOVED AND REPLACED THE R374 LATCHING RELAY AND THE NOSE GEAR LOCK SENSOR. SYSTEM FUNCTIONAL CHECKS WERE GOOD.

Part: SHIMMY DAMPER — FAILED (RT MLG)

THE AIRCRAFT BEGAN TO BOUNCE UP AND DOWN SOON AFTER LANDING. THE BOUNCING STOPPED AFTER THE AIRCRAFT SLOWED TO 100 KNOTS, BUT THEN PULLED TO THE LEFT. THE AIRCRAFT WAS STOPPED AND TAXIED OFF THE RUNWAY. MAINTENANCE FOUND THE RT MLG SHIMMY DAMPER HAD FAILED (BENT) AND THE RT MLG LOWER TORSION LINK WAS SHEARED. THE RT MLG CENTER AND INNER DOORS SUSTAINED DAMAGE FROM THE FAILURE. THE RT MLG SHIMMY DAMPER AND LOWER TORSION LINK WERE REMOVED AND REPLACED. THE RT MLG UPPER TORSION LINK WAS REMOVED AND REPLACED AS A PRECAUTIONARY MEASURE. BOTH THE RT MLG CENTER AND INNER DOORS WERE REMOVED AND REPLACED. IN ADDITION, BOTH RT MLG TIRES AND BRAKES WERE REMOVED AND REPLACED. A SIDE LOAD INSPECTION WAS COMPLIED WI

Part: INTERCOSTAL — CORRODED (BS 967)

INSPECTION FOUND INTERCOSTAL CORRODED AT FS 967, LBL 17.61 AND RBL 17.61. A REPAIR WAS PERFORMED IAW ECRA 5320-01443.

Part: WIRE — CHAFED (HYD PUMP)

IAH - FLT 0501 - SYSTEM 'B' ELECTRIC PUMP LOW PRESSURE LIGHT ILLUMINATED AT CRUISE ALT ELEC PUMP FAILED AIRCRAFT RETURNED TO IAH AND LANDED WITHOUT INCIDENT. MAINTENANCE FOUND CENTER ELECTRIC PUMP WIRE CHAFED. INSULATED WIRE AND REPOSITIONED, RESET PUMP OPS CKS GOOD. (X)

Part: O-RING — LEAKING (A-HYD SYST)

IAH - FLT 1638 - THE A-HYDRAULIC SYSTEM QUANTITY BEGAN TO DECRASE IN FLIGHT. THE LEAKAGE STOPPED WHEN THE A-SYSTEM WAS ISOLATED BY TURNING THE SYSTEM-1 FLIGHT CONTROL TO STANDBY RUDDER. THE AIRCRAFT WAS RETURNED TO IAH WHERE IT LANDED WITHOUT INCIDENT. MAINTENANCE FOUND THE O-RING AT THE ACCUMULATOR FITTING OF A-SYSTEM HYDRAULIC ELECTRIC PUMP LEAKING. THE O-RING WAS REPLACED. THE HYDRAULIC SYSTEM WAS SERVICED AND LEAK CHECK WAS GOOD. (X)