N2250U

ATA 2120

Part: UNKNOWN — ODOR (CABIN) · airframe 25,384 hrs · 2,915 cycles

ON ACCOUNT OF A INDISTINGUISHABLE ODOR IN CABIN, INSPECTED DUCTS FOR EVIDENCE OF OIL IAW AMM 36-12-04-200-801. OPENED DUCT IN A/C BAY JUST BEFORE OZONE CONVERTER, NO EVIDENCE OF ANY CONTAMINATION. SHOULD READ OPENED BOTH LT AND RT SIDE DUCTS. PRIOR TO THE OZONE CONVERTERS.

ATA 2120

Part: UNKNOWN — ODOR (CABIN) · airframe 25,384 hrs · 2,915 cycles

STRONG ELECTRICAL ODOR NOTICED IN THE AREA OF THE MOST AFT GALLEY COMPLEX. ODOR BEGINS PAST THE MED 4L, AFT; (AIRCRAFT HAD BEEN STATIC WITH NO SYSTEMS "ON" FOR APPX 8HRS). NEED TO INVESTIGATE ALL AREAS, INCLUDING ABOVE CEILINGS AND AFT BULK PIT AREA. NOTICED NO CB'S POPPED, OTHER THAN 2EA.CHILLERS ALREADY ON DF. WHILE PACKS AND RECIRC FANS RUNNING, SMELL GOES AWAY. ELECTRICAL SMELL COMES BACK AFTER SHUTTING OFF PACKS & RECIRC FANS. PERFORMED VISUAL INSPECTION OF AFT GALLEY AND MID GALLEY CEILINGS, NO DEFECTS NOTED. NOTICED ODOR ONLY PRESENT FROM BOTH DR 4L AND 4R GOING TO THE BACK OF CABIN. WITH ONLY RT PACK RUNNING, OPS CHECKED HEATERS IN AFT GALLEY IAW AMM 21-45-04-400-802 AND AFT CREW REST IAW AMM 21-41-10-400-801. HEATERS OPS CHECK OK IN BOTH AREAS WITH NO ODORS PRESENT.

ATA 2120

Part: FILTER — DIRTY (ZONE 100) · airframe 25,384 hrs · 2,915 cycles

PERFORM CONDITIONAL INSPECTION FOR SMOKE/ODOR IN CABIN 05-51-58-800-801-C3. ACCOMPLISHED CONDITIONAL INSPECTION, INITIAL INSPECTION, UP TO STEP F. NO FINDINGS, NO DEFECTS NOTED. INSPECTED AND PERFORMED ALL TEST ON ALL CABIN, GALLEY, LAV, CREW REST LIGHTING. PERFORMED OPS CHECK OF CABIN EMERGENCY LIGHTING. PERFORMED OPS CHECK OF GALLEY OVENS IAW 0-51-58-800-801-C3. NO DEFECTS NOTED. CONTINUED TO PERFORM CONDITIONAL INSPECTION IAW AMM 05-51-58-800-801-C3 UP TO BUT NOT INCLUDING STEP C (2.I). WITH LT PACK ON, STRONG FUEL, OIL ODOR IN HALLWAY NEAR L1 DOOR GOING TO FLIGHT DECK. ODOR GOES AWAY WHEN RT PACK IS ON & LT PACK IS OFF. NO DEFECTS OR LEAKS NOTED WITH APU. ALSO ACP'D VISUAL INSP OF NR 1 & 2 ENG, NO DEFECTS NOTED. NEED FURTHER TROUBLESHOOTING WITH PART POWER ENG RUN USING ENG BLEED. RAN BOTH ENGS AT HIGH POWER FOR AN HOUR WITH A/C PACKS BOTH HOT & COLD NO NOTICEABLE ODORS NOTED. ACCOMPLISHED FIM 05-51-58. WITH NO FINDINGS. HEPA FILTERS REPLACED ON LP 7005062 & 7005068. DUCTING TO BOTH OZONE CONVERTORS REMOVED & INSPECTED FOR EVIDENCE OF OIL WITH NOTHING FOUND. DURING HIGH POWER RUNS BOTH PACKS WERE USE TOGETHER & INDEPENDITLY & NO ODORS WERE NOTICE BY 3 DIFFERENT AMTS ANYWHERE IN CABIN.

ATA 3350

Part: FUSE — FAILED (ZONE 200) · airframe 24,942 hrs · 2,872 cycles

CHECK CABIN EMERGENCY LIGHT FOUND A GROUP OF EMEGENCY LIGHTS INOP FOR POWER PACK M33409. IAW AMM 33-51-06-960-802 TO REPLACE BATTERY. BUT PERFORMED OPS TEST FOUND 14EA FLOOR PROXIMITY LIGHTS INOPERATIVE FROM SEAT 52 TO SEAT 59. IAW AMM 33-51-06-960-801 & 33-51-05/201 TO REPLACED SEAT 53G FLOOR LIGHT ( BROKEN ) AND REPLACED FUSE ON POWER PACK, PERFORMED OPERATION TEST AND TEST OK.

ATA 3350

Part: FUSE — OPEN (ZONE 200) · airframe 23,887 hrs · 2,752 cycles

EMERGENCY LIGHTS - OPERATIONAL TEST WITH THE CONTROL SWITCHES PROCEDURE - FOUND DOOR 4 FWD ZONE EMERGENCY LIGHT INOP. REPLACED BATTERY PACK, FUSE AND SEAT 50D EMERGENCY LIGHT MODULE, AND EMERGENCY LIGHT OPERATION CHECK NORMAL.

ATA 2565

Part: WARNING MESSAGE — ILLUMINATED (DOOR SLIDE) · airframe 23,597 hrs · 2,724 cycles

STATUS MSG. DOOR WING SLIDE LK L SHOWING ON EICAS DISARMED 3L O/W ESCAPE SYSTEM. REF. AMM 25-65-00-040-801. OPENED 3L O/W SLIDE COMPARTMENT DOOR. REF. AMM 25-65-10-010. CLOSED O/W COMP. DOOR. REF. AMM 25-65-10-400-801. EICAS MESSAGE CLEARED. ARMED 3L O/W SLIDE SYSTEM. REF. AMM 25-65-00-440. ACPD RII OF ARMING OF LH OVERWING SLIDE AMM 25-65-00-440. VERIFIED SAFETY PIN PULLED AT INFLATION BOTTLE.

ATA 5270

Part: WARNING MESSAGE — FALSE ACTIVATION (ZONE 800) · airframe 22,885 hrs · 2,651 cycles

DOOR BULK CARGO EICAS ADVISORY BULK CARGO DOOR NOT FULLY CLOSED, LATCHED AND LOCKED. PRESSURIZATION NORMAL NO "DOOR BULK CARGO" ADVISORY MESSAGE PRESENT. ALSO, NO CORRELATED FAULTS IN FAULT HISTORY OR EXISTING FAULT. BULK CARGO DOOR LATCH PROBE AND CLOSED SWITCH OPERATE NORMAL REF AMM 52-71-04.