N502US

Part: POWER SUPPLY — INOPERATIVE (CABIN) · airframe 4,013 hrs · 2,251 cycles

DURING LINE CHECK MAINTENANCE FOUND AFT CABIN EMERGENCY TRACK LIGHTING INOP. MAINTENANCE REPLACED POWER SUPPLY. OPERATION OF LIGHTS NOW CHECK GOOD.

Part: LIGHT — INOPERATIVE (CABIN) · airframe 83,362 hrs · 34,495 cycles

EMERGENCY ESCAPE HATCH RED FLOOR LIGHT AT SEAT 15 INOPERATIVE. REPLACED LIGHT ASSEMBLY.

Part: SKIN — DENTED (BS 1728 S27-29R) · airframe 81,735 hrs · 33,505 cycles

DENT ON FUSELAGE SKIN, STA 1728 BETWEEN STR 29R AND 27R. COMPLIED WITH ERA 488470-14 REV ORIGINAL.

Part: SKIN — DENTED (BS 1550 S28L) · airframe 81,733 hrs · 33,503 cycles

DENT ON FUSELAGE SKIN AT ANTENNA MOUNT PAD AT BS 1550, S28L. ACCOMPLISHED ERA 488466-14, REV ORIGINAL. COMPLETED INSPECTED BY STA QC 060, RII COMPLETED BY STA QC 060.

Part: FRAME — CRACKED (BS 1440 S25-26R) · airframe 81,733 hrs · 33,503 cycles

DURING L CHECK A CRACK WAS FOUND ON THE LOWER LOBE CARGO FRAME WEB AT STA 1440, BETWEEN S-25R AND S-26R. COMPLIED WITH ERA NR 488094-14, REV ORIGINAL. REPAIR APPROVAL IS LIMITED TO 12 MONTHS ONLY. ADDITIONAL EA IS REQUIRED.

Part: STRINGER — CORRODED (BS 1660 S29L) · airframe 81,733 hrs · 33,503 cycles

AFT CARGO PIT S-29L HAS EXFOLIATION CORROSION AT STA 1660. REMOVED FLOOR PANEL AFT CARGO PIT AT STA 1510 TO 1640 IAW SRM 51-40-02, PG 10. REMOVED SUPPORT MOUNTING ASSY AND 2 EA CLIPS AND SPLICE ANGLE IAW SRM 51-40-02. FABRICATED AND INSTALLED REPLACEMENT STIFFENER AND MOUNTING SUPPORT ASSY IAW SRM 51-40-02, PG 2.

Part: CABLE — OUT OF ADJUST (DOOR ASSIST) · airframe 81,733 hrs · 33,503 cycles

DURING L-CHECK, L-1 DOOR FAILED, EMERGENCY POWER ACTUATION CABLE TRAVEL CHECK IAW T/C 5211-7001-1L, STEP 3, FOUND ADJUSTMENT STUD ON TRIGGER ASSY FULLY EXTENDED AND SPRING CLIP MISSING. REMOVED L-1 DOOR WAY LINER AT FWD SIDE OF DOOR IAW AMM 25-21-06-401, ADJUSTED CABLE TRAVEL FOR L-1 DOOR EMERGENCY POWER ACTUATION SYS IAW AMM 52-11-32-401, PG 6. SAFETIED ADJUSTMENT STUD TRIGGER LINK WITH SPRING CLIP IAW AMM 52-11-32-401, PG 6, ITEM 4.

Part: PAN — CORRODED (BS 700-720 S21L) · airframe 81,733 hrs · 33,503 cycles

LAV SERVICE PAN HAS HEAVY CORROSION ON INSIDE SURFACE VIEWED THRU FWD CARGO LT SIDE WALL BETWEEN STA 700 AND 720 AT STR 21L. R & R PAN DOUBLER IAW SRM 51-40-02 AND DWG 143N3412.

Part: MODULE — INOPERATIVE (EMERGENCY LIGHT) · airframe 81,684 hrs · 33,471 cycles

DURING A LAYOVER CHECK, MX FOUND THE EMERGENCY PATH LIGHT AT 23D INOPERATIVE. MX REPLACED THE LIGHT MODULE. OPS CHECK WAS GOOD.

Part: SKIN — CRACKED (RT NACELLE) · airframe 81,174 hrs · 33,162 cycles

DURING RT ENGINE CHANGE FOUND CRACK IN PYLON SKIN AT 2 O’ CLOCK POSITION NEXT TO FASTENER LIGHTNING HOLE. REPAIRED IAW ERA 485603-14, SEC I, SEC II REQUIRES PERMANENT REPAIR WITHIN 24 MONTHS OR 3000 CYCLES AFTER SECTION I ACCOMPLISHMENT.

Part: CIRCUIT BREAKER — TRIPPED (EMERGENCY LIGHTS) · airframe 80,175 hrs · 32,673 cycles

EMERGENCY LIGHTS FROM DOOR 2 AFT ILLUMINATED. FOUND EMERGENCY CHG RT P11-N35 CIRCUIT BREAKER OPEN. RESET CIRCUIT BREAKER AND PERFORMED OPS TEST OF EMERGENCY LIGHTS IAW AMM 33-51-00-50. OK FOR SERVICE.

Part: POWER SUPPLY — DEFECTIVE (EMERGENCY LIGHTS) · airframe 77,458 hrs · 31,752 cycles

DURING AN OVERNIGHT LINE CHECK, THE EMERGENCY LIGHT AT DOOR 4L WAS FOUND TO BE INOPERATIVE. MAINTENANCE FOUND THE ASSOCIATED POWER SUPPLY (M737) TO BE DEFECTIVE AND REPLACED IT. SYSTEM OPERATION WAS GOOD AFTER THE POWER SUPPLY WAS REPLACED.

Part: OVEN — SMOKE (GALLEY)

THE CTR OVEN IN THE FWD GALLEY STARTED TO SMOKE, IT IS UNKNOWN IF ANY PRECAUTIONARY PROCEDURES WERE PERFORMED. THE FLIGHT LANDED UNEVENTFULLY IN MSP WHERE MAINTENANCE FOUND NO EVIDENCE OF FOOD, GREASE OR FOREIGN OBJECTS IN THE OVEN. THE FAN BEARING WAS SUSPECT AND THE OVEN WAS DEFERRED TO MEL AND LATER REPLACED. SYS OPS WERE NORMAL AFTER THE OVEN WAS REPLACED. (K)

Part: SKIN — CRACKED (NR 1 NACELLE) · airframe 75,063 hrs · 30,887 cycles

DURING NR1 ENG CHANGE FOUND CRACK IN PYLON SKIN AT NAC STA 132. REPAIRED PER IA 55-213789 SECT I. SECT II REQUIRES PERMANENT REPAIR TO BE ACCOMPLISHED WITHIN 24 MONTHS OR 3000 CYCLES AFTER SECTION 1. (S)

Part: SLIDE — DISLODGED (R4 DOOR) · airframe 70,675 hrs · 29,186 cycles

DURING OVERNIGHT CHECK, RAMP PERSONNEL OPENED DOOR 4 RIGHT AND ESCAPE SLIDE FELL OUT OF HOLDER ONTO THE RAMP. SLIDE WAS REMOVED AND AIRCRAFT WAS MAINTENANCE FERRIED TO DTW TO HAVE A NEW SLIDE INSTALLED. MAINTENANCE INSTALLED A NEW SLIDE AND GIRT BAR OPERATION CHECKED GOOD, REQUIRED INSPECTION ITEM COMPLETE, AND AIRCRAFT RETURNED TO SERVICE.

Part: UNKNOWN — UNKNOWN · airframe 70,195 hrs · 28,996 cycles

AFTER LEVEL OFF AT FL350 CABIN ALTITUDE HORN AND LIGHT CAME ON. CABIN ALTITUDE WAS OBSERVED TO BE CLIMBING THROUGH 11,000 FEET. EMERGENCY DESCENT WAS ACCOMPLISHED. OVERWEIGHT LANDING ACCOMPLISHED AT 202,500 LBS. TROUBLESHOT PER FIM 21-51-00. PERFORMED PACK CONTROLLER BITE TEST. NO DEFECTS NOTED. RESET PACK CONTROLLERS. PACKS OPERATE NORMALLY IAW AMM 21-51-00. CHECKED AIRFRAME FOR LEAKS IAW AMM 05-51-24, NO SIGNIFICANT LEAKS NOTED. AIRCRAFT PRESSURIZES NORMALLY ON GROUND. RAN ENGINES AT IDLE TO VERIFY SUFFICIENT BLEED AIR SUPPLY. NO DEFECTS NOTED. OK FOR SERVICE.

Part: BATTERY PACK — DISCHARGED (EMERGENCY LIGHTS) · airframe 69,958 hrs · 28,894 cycles

EMERGENCY LIGHT AT DOOR 2L AND EMERGENCY PROXIMITY LIGHTS AT PASSENGER SEATS 20-23 INOPERATIVE. REPLACED EMERGENCY BATTERY PACK AND BATTERY AT DOOR 2L CEILING. FLOOR TRACK EMERGENCY LIGHTS CHECK NORMAL.

Part: SKIN — DAMAGED (BS 1428 S4R) · airframe 69,819 hrs · 28,836 cycles

DURING LINE INSPECTION, FOUND SCRIBE LINE DAMAGE TO FUSELAGE SKIN AT S4R BS 1428. REPAIRED PER EA 55-208233.

Part: SKIN — DAMAGED (BS 1459-1621) · airframe 69,819 hrs · 28,952 cycles

DURING LINE INSPECTION, FOUND SCRIBE LINE DAMAGE TO FUSELAGE SKIN AT S4R FROM BS 1459-1621. REPAIRED PER EA 55-208234.

Part: DOOR FRAME — CRACKED (FUSELAGE) · airframe 63,730 hrs · 26,433 cycles

DURING L-CHECK FOUND CRACKED HOLE NR 7 AT UPPER CORNER OF NR 1 LT PASSENGER DOOR JAMB. REPAIRED PER EA 55-200848.

Part: POWER SUPPLY — INOPERATIVE (CABIN) · airframe 53,383 hrs · 22,303 cycles

DURING EMERGENCY LIGHT TEST, THE FIRST CLASS LIGHTING BATTERY PACK FAILED. MAINTENANCE REPLACED THE POWER SUPPLY. OPERATIONAL CHECK NORMAL.

Part: CHANNEL — CORRODED (FUSELAGE) · corrosion level 2 · airframe 53,382 hrs · 22,303 cycles

DURING H-CHECK FOUND CORROSION ON INBOARD CHANNEL OF NUMBER 2 PASSENGER DOORWAY LOWER SILL BETWEEN BS 720 TO BS 740. REPAIRED PER EA 55-183809.

Part: FLOORBEAM — CORRODED (FUSELAGE) · corrosion level 2 · airframe 53,382 hrs · 22,303 cycles

DURING H-CHECK FOUND CORROSION ON FLOORBEAM AT BS 1681. REPAIRED PER EA 55-183364.

Part: FLOORBEAM — CRACKED (FUSELAGE) · airframe 53,382 hrs · 22,303 cycles

DURING H-CHECK FOUND CRACK IN FLOORBEAM UPPER CAP AT BS 680 LBL 25. REPAIRED PER EA 55-183446.

Part: FLOORBEAM — CRACKED (FUSELAGE) · airframe 53,382 hrs · 22,303 cycles

DURING H-CHECK FOUND CRACK IN FLOORBEAM UPPER CAP AT BS 700 LBL 25. REPAIRED PER EA 55-183447.

Part: SUPPORT FITTING — CORRODED (FUSELAGE) · corrosion level 2 · airframe 53,382 hrs · 22,303 cycles

DURING H-CHECK FOUND CORROSION ON SEAT TRACK SUPPORT FITTING AT BS 418 RBL 45. REPAIRED PER EA 55-183418.

Part: FLOORBEAM — CORRODED (FUSELAGE) · corrosion level 2 · airframe 53,382 hrs · 22,303 cycles

DURING H-CHECK FOUND CORROSION ON FLOORBEAM UPPER CAP AT BS 377 RBL 10. REPAIRED PER EA 55-183448.

Part: ENGINE — SMOKE (NR 1) · airframe 51,891 hrs · 21,702 cycles

DURING TAKEOFF, SMOKE/FUMES ENTER THE COCKPIT. TAKEOFF WAS ABORTED AT 130 KNOTS AND AIRCRAFT RETURNED TO THE GATE. MAINTENANCE IDENTIFIED NR 1 ENGINE AS THE SOURCE OF SMOKE IN THE CABIN. REPLACED NR 1 ENGINE.

Part: GCU — MALFUNCTIONED (LT ENGINE)

LEFT ENGINE GENERATOR DROPPED OFF LINE ON TAKEOFF ROLL. THE TAKEOFF WAS ABORTED AND AIRCRAFT RETURNED TO THE GATE. MAINTENANCE REPLACED THE GENERATOR CONTROL UNIT WITH A SERVICEABLE PART. RUN-UP AND SYSTEM CHECK WAS SATISFACTORY.

Part: IDG — FAILED (NR 1)

DURING TAKE-OFF, NR 1 GENERATOR DROPPED OFF LINE. ABORTED TAKEOFF AND RETURNED TO GATE. MAINTENANCE REPLACED THE NR 1 IDG AND CANNON PLUG D5132. OPERATIONAL AND LEAK CHECK NORMAL.

Part: FLOOR BEAM — CORRODED (FS 1681)

DURING T-CHECK, FOUND CORROSION ON THE AFT CARGO BS 1681 FLOOR BEAM FORWARD UPPER CHORD, LBL 52-RBL 14. REPAIRED CHORD (P/N 146N5091) PER EA 55-105068.

Part: EEL WIRE — BROKEN (COCKPIT)

DURING LINE CHECK, FOUND COCKPIT EMERGENCY LIGHT INOPERATIVE. REPAIRED BROKEN WIRE, OPERATIONAL CHECK NORMAL.

Part: FITTING — CORRODED (BS 1383)

DURING T-CHECK, FOUND CORROSION ON THE BS 1383 TIE DOWN FITTING. REPLACED FITTING.

Part: SILL — CORRODED (NR 3 EMER EXIT)

DURING T-CHECK, FOUND CORROSION ON THE NR 3 EMERGENCY EXIT DOOR LOWER SILL INNER CHORD. REPAIRED CHORD (P/N 146N8326-2), PER EA 55-104324.

Part: TELEPHONE BOX — MALFUNCTIONED (CABIN)

AT ALTITUDE, THERE WAS A STRONG ELECTRICAL SMOKE SMELL IN THE FIRST CLASS SECTION. THE SMELL WAS ISOLATED TO AN AIRPHONE UNDER-SEAT AUDIO BOX. THE AIRPHONE CIRCUIT BREAKER WAS PULLED AND THE BOX WAS REMOVED AND PLACED IN A PLASTIC BAG IN THE COCKPIT. BOTH CABIN RECIRCULATING FANS WERE TURNED OFF WHEN THE SMELL WAS DETECTED. REPLACED TELEHPONE'S UNDER-SEAT TELEPHONE BOX AND CHORD REELS AT SEATS 1A/B. OPERATIONAL CHECK WAS NORMAL.