N639DL

Part: TIRE — FAILED (NR 6) · airframe 80,818 hrs · 35,937 cycles

DECLARED AN EMERGENCY DUE TO A MAIN TIRE ISSUE. ON ARRIVAL, FOUND NR 6 TIRE BLOWN AND DAMAGE TO INBOARD LT FLAP. REPLACED NR 5 AND NR 6 TIRE. REPLACED LT INBD TRAILING EDGE FLAP.

Part: BATTERY PACK — INOPERATIVE (EMERGENCY LIGHT) · airframe 80,790 hrs · 35,925 cycles

DURING SERVICE CHECK, MAINTENANCE DISCOVERED AISLE EMERGENCY EXIT LIGHTS OUT. REMOVED AND REPLACED BATTERY PACK FOR F/C EXIT LIGHTS. OPS CHECKED GOOD.

Part: CONNECTOR — DAMAGED (EMERGENCY LIGHTS) · airframe 73,212 hrs · 33,132 cycles

DURING LAYOVER CHECK, MX FOUND DOOR 2R RED EMERGENCY PATH LIGHT INOPERATIVE. MX REPAIRED THE LIGHT CONNECTION. OPS CHECK WAS GOOD.

Part: CONNECTOR — DAMAGED (EMERGENCY LIGHTS) · airframe 72,634 hrs · 32,912 cycles

SEAT 41 EMERGENCY LIGHT INOP. REPLACED CONNECTOR LIGHT OPN OK.

Part: TORQUE TUBE — CORRODED (TE FLAPS) · corrosion level 2 · airframe 63,747 hrs · 29,972 cycles

FOUND RT I/B FLAP I/B TORQUE TUBE CORRODED. REPAIRED BY REMOVING AND REPLACING TUBE WITH P/N 113N2108-1 AND 113N2105-2 IAW B757 AMM 27-51-05 AND DELTA EA 06-097981-14 REV A.

Part: TORQUE TUBE — CORRODED (TE FLAPS) · corrosion level 2 · airframe 63,747 hrs · 29,972 cycles

FOUND LT I/B FLAP I/B TORQUE TUBE CORRODED. REPAIRED BY REMOVING AND REPLACING TUBE WITH P/N’S 113N2105-1 AND 113N2108-1 IAW B757 AMM 27-51-05 AND DELTA EA 06-097981-14 REV A.

Part: SKIN — DENTED (FS 635 S17L) · airframe 63,748 hrs · 29,973 cycles

DURING HMV, INSPECTION NOTED 2 DENTS AND AN EXISTING EXTERNAL DOUBLER ON THE FUSELAGE SKIN, LEFT SIDE. THE TWO DENTS WERE CUTOUT, AND THE EXISTING REPAIR WAS REMOVED. THE EXISTING REPAIR WAS ALSO CUT OUT, REMOVING ALL EXISTING HOLES, AND THREE BOEING APPROVED REPAIRS WERE INSTALLED PER 461667-14

Part: FLOOR PANEL — CORRODED (BS 1713-1717) · corrosion level 2 · airframe 63,747 hrs · 29,972 cycles

FOUND AFT DECK PLATE BS 1713 TO BS 1717 RBL 6 TO RBL 26 CORRODED. REPAIRED BY FABRICATING AND INSTALLING DOUBLER REPAIR 7-3/8 BY 6-3/4 FROM 2024-T3 .063 IAW B757 SRM 53-30-51 FIG 201, 51-40-02 AND 51-20-01.

Part: SKIN — GOUGED (BS 660) · airframe 63,747 hrs · 29,972 cycles

FOUND GOUGE IN FUSELAGE SKIN AT PREVIOUS REPAIR ON LT SIDE BS 660, S-17L. REPAIRED BY FABRICATING AND INSTALLING DOUBLER REPAIR 13 BY 10 BY 11-3/8 BY 8-1/2 AND TRIPLER 12 BY 8 BY 9-1/4 BY 7-3/4 FROM 2024-T3 .063, DOUBLER AND FILLER 11.25 BY 8 AND 21 BY 18.50” FROM 2024-T3 .063” IAW DELTA ERA NR 461667-14 REV ORIG DATED 07-19-2007, FAA FORM 8100-9. REPAIR PERMANENT PER PS 900-51, NR 4.

Part: SILL — CORRODED (BS 1390-1440) · corrosion level 2 · airframe 63,747 hrs · 29,972 cycles

FOUND AFT CARGO LWR DOOR SILL CORRODED FROM BS 1390 TO BS 1440 S-27R. REPAIRED BY REMOVING DOOR SILL AND INSTALLING P/N 146N8522-52 IAW B757 SRM 51-40-02, 53-60-15, 51-40-04 AND 51-40-06.

Part: RIB — CRACKED (TE FLAP) · airframe 63,747 hrs · 29,972 cycles

FOUND LT INBB FLAP MAIN FLAP RIB (3RD FROM I/B END) CRACKED. REPAIRED BY REMOVING RIB AND INSTALLING RIB FABRICATED (ON N/R 25000)16.780 BY 8.550 FROM 7050-T7457 IAW B757 SRM 51-40-02, BOEING DWG NR 113N2352 REV C, AND B757 SRM 51-20-01.

Part: FITTING — CORRODED (BS 1440) · airframe 63,747 hrs · 29,972 cycles

FOUND FITTING AT C-2 DOOR CORRODED (AT NUTPLATES) THRESHOLD BS 1440 S-27R. REPAIRED BY REMOVING FITTING AND INSTALLING P/N 69-45578-7 IAW B757 SRM 51-40-02 AND 51-10-02.

Part: FLOOR PANEL — CORRODED (BS 1681-1682) · corrosion level 2 · airframe 63,747 hrs · 29,972 cycles

FOUND CORRODED AFT DECK PLATE BS 1681.8 FROM LBL 14 TO LBL 29. REPAIRED BY CUTTING OUT CORRODED SHEAR SKIN AT B/L 25L AND SECTION OF FLOORBEAM. FABRICATED AND INSTALLED REPAIR DOUBLER 17 BY 4 FROM 2024-T3 .080, REPAIR STRAPS 24 BY 1 FROM 7075-T6 .040. REPAIR ANGLES 24 BY 3 BY 1 FROM 7075-T6 .040 IAW B757 SRM 53-00-51 AND 51-10-01.

Part: FLOOR PANEL — CORRODED (BS 1681) · corrosion level 2 · airframe 63,747 hrs · 29,972 cycles

FOUND CORRODED AFT DECK PLATE BS 1681.8 FROM LBL 1 TO LBL 14. REPAIRED BY FABRICATING AND INSTALLING REPAIR DOUBLER 6-1/2 BY 14 FROM 2024-T3 .063 IAW B757 SRM 53-60-51 PG 201/204 AND 51-10-01.

Part: FLOOR PANEL — CORRODED (BS 1381) · corrosion level 2 · airframe 63,747 hrs · 29,972 cycles

FOUND CORRODED AFT DECK PLATE BS 1681.8 FROM LBL 1 TO LBL 14. REPAIRED BY FABRICATING AND INSTALLING REPAIR DOUBLER 6-1/2 BY 14 FROM 2024-T3 .063 IAW B757 SRM 53-60-51 PG 201/204 AND 51-10-01.

Part: COUPLING — LEAKING (LT WING) · airframe 56,791 hrs · 27,604 cycles

L BLEED DUCT LK EICAS MSG AND OVERHEAD DUCT LEAK LIGHT ON LEFT SIDE ILLUMINATED AFTER T/O. FOUND BUSTED CLAMP ON DUCT LEADING TO LT WING A/I VALVE ON TOP OF LT PYLON. INSTALLED CLAMP AND SEAL ON WING A/I DUCT AND LEAK CHECKED PER M/M. LEAK CHECKS GOOD. AIRCRAFT DIVERTED TO ORLANDO.

Part: BATTERY — DISCHARGED (FLASHLIGHT) · airframe 56,224 hrs · 27,397 cycles

F/C EMERGENCY FLASHLIGHT INOP. REPLACED EMERGENCY FLASHLIGHT BATTERY, CKS GOOD.

Part: CIRCUIT CARD — FAULTY (E/E BAY) · airframe 47,477 hrs · 23,937 cycles

FL 310 LT ENG BLEED OFF, A/I VALVE, LT ENG WING LT VALVE ON. REINSTATED A/I THROUGH ISOL VALVE. RT BLEED OFF. NO PRESS SOURCE. CABIN CLIMBED TO 8000FT REINSTATED LT BLEED. SAME SEQ OF EVENTS OCCURRED AT FL 240 DIVERTED TO DFW. R&R LT AND RT ENG BLEED CONFIG CARDS RAN BLEED SYS TEST PER PFHB, ALL CKS OK PRESS A/C CKS OK RAN WITH A/I ON AND OFF ALL CKS OK.

Part: SLIDE — DEPLOYED (2R DOOR) · airframe 46,199 hrs · 23,345 cycles

SLIDE DEPLOYED BY CABIN SERVICE_C/A REPLACED SLIDE

Part: SKIN — DENTED (FUSELAGE) · airframe 44,265 hrs · 22,379 cycles

THE FUSELAGE SKIN WAS FOUND DENTED AT FS 454 AND STRINGER 27R NEAR THE E&E DOOR OPENING. THE DAMAGE WAS REMOVED IN THE SKIN AND IN THE UNDERLYING BEARSTRAP. REPAIRED PER ER/A 381521-14, REV A.

Part: SKIN — CORRODED (FS 1473, RBL 3.2) · airframe 44,265 hrs · 22,379 cycles

FUSELAGE / SKIN / FS 1473 / RBL 3.2 / LOWER AFT VHF ANTENNA:CORROSION REPAIR THE FUSELAGE SKIN WAS FOUND CORRODED AT THE VHF ANTENNA MOUNT AT FS 1473 AND RBL 3.2. THE CORROSION WAS REMOVED WITH A 20" X 12" CUTOUT. THE CUTOUT WAS REPAIRED WITH TWO EXTERNAL ALUMINUM DOUBLERS INSTALLED PER ER/A 381450-14, REVA.

Part: SKIN — GOUGED (FS 1715, S-19R) · airframe 44,256 hrs · 22,373 cycles

FUSELAGE / SKIN / FS 1715 / STRG. 19R : GOUGE REPAIR THE FUSELAGE SKIN WAS FOUND GOUGED AND FS 1715 AND STRINGER 19R. THE GOUGE WAS REMOVED WITH AN 8" X 3" CUTOUT IN THE SKIN. THE CUTOUT WAS REPAIRED WITH AN EXTERNAL ALUMINUM DOUBLER INSTALLED PER ER/A 381362-14, REV A.

Part: POWER SUPPLY — FAILED (CABIN CEILING) · airframe 44,038 hrs · 22,275 cycles

ON A-CHECK FOUND FWD ENTRY DOOR EMERGENCY LITE INOP REPLACED POWER SUPPLY-OPS OK

Part: EEC — MALFUNCTIONED (NR 2 ENGINE) · airframe 43,953 hrs · 22,226 cycles

ALL RT ENG INSTRUMENTS FLUCTUATED DURING INITIAL CLIMB OUT. AT 10K LEVEL OFF (250K) IND STABILIZED BUT RESUMED FLUX ON SUBSEQUENT CLIMB TO 14K. RETURNED TO SLC. NOTICED BIRD PASS BY RT SIDE ON INITIAL CLIMB. RAN ENGS PER PFHB, NOTICED FLUX ON EPR, N1 AND EGT-AT 80 PERCENT N1 TO 83SA PERCENT N1-T/S PER FIM CKED C/P'S AT PMC-CK OK-CK C/P J-10 AND J-4 ON EEC CK OK. REPLACED RT EEC PER MM RAN ENGS PER PFHB. ALL IND CK NORMAL. NO INDICATION OF BIRD STRIKE.

Part: BATTERY — OVERHEATED (AFT E/E BAY) · airframe 42,280 hrs · 21,455 cycles

BEFORE PUSHBACK, FLT ATT REPORTED ACRID SMELL IN CABIN. EVACUATED AIRCRAFT VIA MAIN L2 DOOR. FOUND APU BATTERY DEFECTIVE, CAUSING FUMES IN AFT CARGO COMPARTMENT. REPLACED APU BATTERY AND APU BATTERY CHARGER PER MM. RAN APU, BATTERY AND CHARGER CHECKS OK PER MM.

Part: UNKNOWN — ODOR (CABIN) · airframe 41,893 hrs · 21,281 cycles

AT CRUISE STRONG ELECTRICAL SMELL IN AFT CABIN, SPREAD TO FWD /MID CABIN. TURNED OFF UTILITY BUSSES, ODOR WENT AWAY. FOUND RT RECIRCULATION FAN AT FAULT. FWD TO MCO AND PLACARD.

Part: WINDOW — OVERHEATED (COCKPIT) · airframe 40,816 hrs · 20,756 cycles

CO-PILOTS WINDOW OVERHEATED INDICATED BY SCALDING ON LOWER PORTION AND SLIGHT ODOR. RIGHT FORWARD WINDOW. REPLACED R-1 WINDOW ASSY AND CONTROLLER PER MM.

Part: WHEEL — DAMAGED (LT MLG)

NR 5 MAIN DEPARTED A/C ON LDG. REPLACED WHEEL ASSY.

Part: OVERHEAT SWITCH — MALFUNCTIONED (RT WING PYLON)

PASSING FL 260, RT BLEED, RT PACK AND RT BLEED VALVE LIGHT CAME ON. FOLLOWED CHECKLIST, RESET VALVE AND OPERATED NORMAL FOR A FEW SECONDS AND THEN ALL 3 LIGHTS RE-ILLUM. FOLLOWED PROCEDURE FOR ICING CONDITIONS, LEAVING RT SIDE OFF AND OPENED ISOLATION VALVE. LEVELED OFF AT FL 270, THEN SOMETHING HAPPENED ON LT SIDE, AT THIS TIME BOTH SIDES WERE OFF. STARTED DESCENT, WAS ABLE TO RECOVER LT SYS IN DESCENT. ONCE STABILIZED, RT SYS RESET AND WORKED TOO. CABIN ALT ONLY CLIMBED TO ABOUT 6,000 TO 7,000 FT BEFORE PRESSURIZATION WAS RESTORED. REPLACED RT AIR SUPPLY OVERHEAT SWITCH.

Part: WEDGE — DELAMINATED (WING)

T/E WEDGE UPPER FWD EDGE DELAMINATED. REPLACED T/E WEDGE PER SRM 57-43-02.

Part: EEL BULB — MISSING (CABIN)

TRACK LIGHTING AT 30ABC OUT OF TRACK. REPLACED LIGHT BULB AND LENS COVER. OPS CK GOOD.

Part: TE WEDGE — DELAMINATED (NR 3 LE SLAT)

UPON INITIAL INSPECTION, THE T/E WEDGE WAS FOUND TO BE DELAMINATED. REPLACED PER SRM 57-43-02, FOR NR 3 L/E SLAT PANEL.

Part: IDG — FAILED (NR 1 ENGINE)

DURING CLIMB-OUT, LEFT GENERATOR DRIVE LIGHT ILLUMINATED ACCOMPANIED WITH ENGINE VIBRATION, DISCONNECTED IDG, STARTED APU, 10 MINUTES LATER APU AUTO SHUTDOWN. RETURNED FLIGHT TO ATL. FOUND IDG FAILED. REPLACED IDG, TROUBLESHOOTING APU COULD NOT FIND ANY PROBLEMS RETURNED TO SERVICE.