N315DL

Part: GYRO — DEFECTIVE (E/E BAY) · airframe 56,161 hrs · 42,338 cycles

ON ROTATION, AIRPLANE PITCHED UP CAPTS GYRO WHICH WAS SELECTED TO AUX. PER MEL DID NOT OPERATE NORMAL, STRAIGHT AND LVL BUT DID NOT WORK WITH PITCH CHANGES. REPLACED NR 3 VG AS PER M/M, CKS GOOD.

Part: CONNECTOR — DAMAGED (NR 2 ENGINE) · airframe 52,415 hrs · 40,126 cycles

A/C RETURNED TO GATE DUE TO NR 2 FUEL FLOW INDICATION BEING ERRATIC. DISCONTINUED T/O AT 70 KTS - GW 117.0. NR 2 ENGINE FUEL FLOW WENT TO MAX THEN ZERO FUEL FLOW. FOUND AFT CANNON PLUG ON FUEL FLOW TRANSMITTER DAMAGED. REPLACED NR 2 ENGINE FUEL FLOW TRANSMITTER PER M/M. RAN ENG LEAKS CKS OK. REPLACED CANNON PLUG D828 GOING TO FUEL FLOW TRANSMITTER. FUEL FLOW IND OPS NORMAL. REMOVED MCO/PLAC.

Part: CARRIAGE — SEPARATED (T/E FLAP) · airframe 52,283 hrs · 40,071 cycles

RUDDER TRIM EXCESSIVE DURING ALL PHASES OF FLIGHT. REQUIRES 1.5 UNITS OF RUDDER TRIM. OUT OF TRIM ROLL TENDENCY INCREASED ON APPROACH WITH EACH SUCCESSIVE FLAP EXTENSION. IE 3 UNITS OF RUDDER TRIM REQUIRED AT FLAPS 15. CONDUCTED 15 UNIT FLAP LANDING FOR CONDITION. FOUND LT OUTBOARD FLAP INBOARD TRACK CARRIAGE SEPARATED AT SHANK TO THRUST BEARING. REPLACED SAME.

Part: CSD — INOPERATIVE (NR 2 ENG GEN) · airframe 51,853 hrs · 39,888 cycles

NR 2 ENGINE GENERATOR TRIPPED OFF ON TAKEOFF WOULD NOT RESET. REPLACED RIGHT CSD AND GENERATOR PER MM.

Part: BATTERY PACK — DISCHARGED (CABIN) · airframe 50,982 hrs · 39,526 cycles

ON LAYOVER CK FOUND L1 AND R1 DOOR SMALL EXIT SIGNS AND EMERGENCY FLOOR PATH LIGHTS OUT FROM FWD GALLEY THRU ROW 4. REPLACED BATTERY PACK AT M9221. ALL EMERGENCY LIGHTS NOW TEST NORMALLY.

Part: DRAIN LINE — DAMAGED (RESERVOIR) · airframe 50,870 hrs · 39,482 cycles

ON EXTENSION OF LANDING GEAR ENG 1 AND 2 HYD SYSTEMS LOW PRESSURE LIGHTS CAME ON. HYD PRESSURE A WENT TO ZERO AND HYD QUANT APPEARED TO GO TO ZERO. CHANGED BOTH CASE DRAIN FILTERS BOTH WERE CLEAN. OPERATED ALL FLT CONTROLS AND LANDING GEAR CYCLED WITH GEAR PINS INSTALLED, NO LEAKS. HYD QUANTITY WAS FULL. FOUND HYD HEAD PRESS AT ZERO. REPAIRED RSVR DRAIN TUBE. RAN ENGINES AND CHECKED PUMPS, ALL OK.

Part: COUPLER — FAILED (COMPASS) · airframe 49,052 hrs · 38,705 cycles

NR 2 COMPASS SYSTEM IS THIRTY DEGREES OFF CAPTS HEADING AND WILL NOT SLAVE UP AND STAY SLAVED. REPLACED NR 2 COMPASS COUPLER OP CHECKS NORMAL. ITEM CAUSED AIR TURN BACK

Part: DOOR FRAME — CRACKED (FUSELAGE) · airframe 48,830 hrs · 38,611 cycles

C2 CARGO DOOR OPENING FORWARD FRAME WAS FOUND TO HAVE CRACKS IN THE UPPER FRAME BETWEEN STR 24R AND 26R. ADDITIONALLY, THE REINFORCEMENT STRAP WAS FOUDN CORRODED BETWEEN STR 24R AND 25R. THE FRAME WAS REPAIRED PER SRM 51-40-3 AND THE DAMAGED SECTION OF STRAP WAS REMOVED AND A NEW SECTION SPLICED IN. THE DAMAGE WAS FOUND AT HMV.

Part: FITTING — CORRODED (HORIZ STAB) · airframe 48,827 hrs · 38,609 cycles

THE LT AND RT HORIZONTAL STABILIZER FITTING ATTACH LUGS WERE FOUND CORRODED. CORROSION WAS REMOVED FROM SEVERAL LUG BORE AND FACES. NEW BUSHINGS WERE INSTALLED. REPAIR WAS ACCOMPLISHED PER ERA 397265-14 AT HMV.

Part: FITTING — CORRODED (FUSELAGE) · airframe 48,827 hrs · 38,609 cycles

CORROSION WAS FOUND ON THE VERTICAL STABILIZER ATTACH LUGS AND FUSELAGE CLEVIS LUGS. CORROSION WAS FOUND ON VARIOUS LUG BORES AND FACES. THE CORROSION WAS REMOVED AND THE BUSHINGS AND SLEEVES REMANUFACTURED PER ERA 397239-14 AT HMV.

Part: SPAR — CRACKED (WING) · airframe 48,827 hrs · 38,609 cycles

WHILE ACCOMPLISHING INSPECTIONS PER S/B 737-57-1216 SEVERAL CRACKS WERE FOUND IN 9 FASTENER HOLES COMMON TO THE LT MLG BEAM AFT FITTING AND THE REAR SPAR. THE AFT FITTING WAS REPLACED AND THE FASTENER HOLES WERE OVERSIZED PER ERA 397280-14 AT HMV.

Part: FRAME — CRACKED (FUSELAGE) · airframe 48,827 hrs · 38,609 cycles

A 2.5 INCH CRACK WAS FOUND IN THE FS 639 FRAME AT STR 16L IN THE INBOARD CHORD AND WEB. A NEW SECTION OF WEB WAS SPLICED IN AND TWO REPAIR ANGLES WERE ADDED TO THE INBOARD CHORD PER ERA 397256-14 AT HMV.

Part: FITTING — CORRODED (FUSELAGE) · airframe 48,827 hrs · 38,609 cycles

CORROSION WAS FOUND ON THE LT AND RT FUSELAGE CLEVIS ATTACH LUGS FOR THE HORIZONTAL STABILIZER. THE CORROSION WAS FOUND ON SEVERAL LUG BORES AND FACES. THE CORROSION WAS REMOVED AND NEW BUSHINGS WERE INSTALLED. THE DAMAGE WAS FOUND AT HMV.

Part: FRAME — CRACKED (FUSELAGE) · airframe 48,827 hrs · 38,609 cycles

THE FS 663 FRAME WAS FOUND CRACKED AT STR 1R AND 3R. REPAIRED SIMILIARLY TO SRM 53-10-4, FIG 14. THE SKIN WAS CUT AT EACH LOCATION TO FACILITATE THE REPAIR AT HMV.

Part: FRAME — CRACKED (FUSELAGE) · airframe 48,827 hrs · 38,609 cycles

A CRACK WAS FOUND AT THE LOWER FASTENER ON THE LEFT SIDE OF THE FS 616 FRAME AT THE OVERWING FRAME TO STUB BEAM. THE CRACK IS TYPICAL TO THAT SHOWN ON S/B 737-53-1182. THE DAMAGE WAS REPAIRED PER S/B 737-53-1182 AT HMV.

Part: SKIN — CRACKED (FUSELAGE) · airframe 48,827 hrs · 38,609 cycles

THE KEEL BEAM LOWER SKIN FROM FS 661 TO FS 727 HAS BEEN REPLACED AS A PREVENTATIVE MODIFICATION PER S/B 737-53-1104, REV 4. THIS MODIFICATION WAS DONE AT HMV.

Part: DUCT — DETACHED (AIR MIX CHAMBER) · airframe 48,639 hrs · 38,529 cycles

FLT ATTENDANT AND PAX NOTED SEAT RAIL AND FLOOR AROUND 7ABC IS WARM, TOO HOT TO THE TOUCH. FLT ATTENDANTS REPORTS HEAT SMELL IN AREA. FOUND LT SIDE MIX CHAMBER DISINTEGRATED AND LT HOT AIR SUPPLY DUCT SEPARATED FROM CHAMBER. REPLACED MIX CHAMBER.

Part: SKIN — CRACKED (FS 960, S-17L) · airframe 48,500 hrs · 38,468 cycles

FUSELAGE / SKIN ASSY / AFT PASSENGER DOOR(L2) OPENING / LWR FWD CORNER : CRACK REPAIR . THE FUSELAGE SKIN, BONDED DOUBLER AND BEAR STRAP WERE FOUND CRACKED AT THE LOWER FORWARD CORNER OF THE L2 DOOR CUTOUT. THE CRACK WAS REMOVED IN ALL LAYERS WITH A 1" X 2" CUTOUT. THE AREA WAS REPAIRED WITH 3 ALUMINUM DOUBLERS PER B737 SRM 53-30-3, FIG. 24 AND ER/A 379640-14, REV A.

Part: WIRE — CHAFED (NR 2 ENGINE) · airframe 48,043 hrs · 38,278 cycles

ON CLIMBOUT, NR 2 ENG OIL TEMP WENT TO 137 DEGREES. AFTER CYCLING FUEL HEAT VALVE TEMP WENT INTO THE RED. SHUT DOWN ENGINE. FOUND CONNECTOR PLUG WIRE ON FUEL HEAT VALVE CHAFED. REPLACED CONNECTOR PLUG.

Part: WIRE — CHAFED (NR 1 ENGINE) · airframe 47,105 hrs · 37,857 cycles

NR 1 ENG OIL FILTER BYPASS LIGHT ILLUM PASSING THROUGH FL22. REDUCED ENG TO 60 PERCENT AND LIGHT WENT OUT. INSP OIL FILTER FOR CONTAMINATION-NTF. FOUND WIRE CHAFED AT FIREWALL DISCONNECT (W184-021-20). REPAIRED SAME.

Part: SEAL — TORN (PAX DOOR) · airframe 46,800 hrs · 37,730 cycles

VERY LOUD SQUEAL AT 1L DOOR. FOUND DOOR PRESSURE SEAL RIPPED ALL THE WAY ACROSS BOTTOM OF L1 DOOR - REPLACED SAME.

Part: MICROPHONE — MALFUNCTIONED (LT COCKPIT)

DURING CLIMB-OUT, LOST ALL RADIOS, BOTH TRANSMIT AND RECIEVE FOR ABOUT 2 MIN, THEN THEY CAME BACK ON, THEN WENT OUT AGAIN. REPEATED THIS CYCLE ABOUT 4 TIMES. RETURNED TO MCO. ALL RADIOS OPERATE NORMAL AT GATE. CAPT SUSPECT CAPT HANDMIC. REPLACED SAME. REPLACED NR 1 VHF TRANCEIVER AND NR 2 AUDIO SELECT PANEL AS PRECAUTION. ALL RADIOS CK OK. PART NR HAND MIC- 63999-004 SERIAL NR 9206, TRANSCIEVER 064-1005-02 SERIAL NR 3960, AUDIO SEL PNL G6560 SERIAL NR 34.

Part: CONTROLLER — MALFUNCTIONED (RT PACK)

DURING CLIMB-OUT WITH BOTH AIR MIX VALVE IND INDICATING FULL COLD, DUCT TEMP WENT TO 120. NO TEMP CONTROL IN AUTO OR MANUAL EITHER PACK. AIR TURNBACK TO MCO. REPLACED RT PACK 35 DEG CONTROLLER AND SENSOR. ALL CKS OK FOR RT PACK. FOUND LT PACK ACM FROZEN. REPLACED SAME.

Part: SKIN — CRACKED (BS 380-400)

A 2 INCH LONG CRACK WAS FOUND EXTENDING FROM THE E & E COMPARTMENT COOLING DUCT CUTOUT IN THE FUSELAGE SKIN AT FS 370 & STR 28L. ALSO, AN EXISTING SKIN REPAIR DOUBLER WAS IN THE AREA. THE SKIN WAS CUT FROM STRINGER 26L TO 26R AT FS 400 AND THE ENTIRE SECTION OF SKIN REMOVED FROM FS 400 TO THE FACTORY BUTT SPLICE AT FS 360. A NEW SECTION OF SKIN WAS SPLICED IN WITH EXTERNAL ALUMINUM SPLICE STRAPS PER ER/A 366725-14.

Part: POWER SUPPLY — INOP (ROW 4DEF & 8ABC)

ON S/C, FOUND LT OVERWING SLIDE LIGHT, RT OVERWING EXIT SIGN, AISLE LIGHT SEAT 4DEF AND AISLE LIGHT SEAT 8ABC INOP ON EMERGENCY LIGHTS TEST. REPLACED BATTERY CHARGER M01135.

Part: BATTERY — DISCHARGED (CABIN)

FOUND LAST THREE LEFT SIDE AISLE EMERGENCY LIGHTS INOP. FOUND BATTERY BAD FOR PWR SUPPLY. REPLACED PWR SUPPLY, AND NEW BATTERY.

Part: SKIN — CRACKED (R 2 DOORWAY)

FOUND ON P2 LETTER CK, .5 INCH CRACK AT RIVET AFT GALLEY DOOR CUTOUT LOWER AFT CORNER. REPAIRED PER SRM 53-30-3 AND ERA.

Part: SKIN — CRACKED (R2 DOORWAY)

A .5 INCH TYPICAL CRACK WAS FOUND IN THE LOWER FWD CUTOUT OF THE R1 DOOR SURROUND SKIN AND BEAR STRAP. THE CRACK IS REPAIRED WITH A TYPICAL DOUBLER REPAIR PER B737 SRM 53-30-3 AND ER/A 363175-14.

Part: FLASHLIGHT — MISSING (CABIN)

LWR AFT EMERG FLASHLIGHT MISSING SEAL. INSTALLED SEAL LIGHT, CKS OK.

Part: CHARGER — FAILED (CABIN)

RT EXT EMERGENCY LIGHT INOP, JUST FORWARD OF THE REAR CARGO DOOR. REPLACED CHARGER M1136 AND LIGHT OPS CKS GOOD PER M/M.

Part: POWER SUPPLY — INOPERATIVE (CABIN)

AISLE EMERG LIGHT AT 12 ABC INOP IN TEST. FOUND FUSE BLOWN IN PWR SUPPLY. REPAIRED SHORTED SPARE WIRE FROM PWR SUPPLY AND REPLACED PWR SUPPLY AND EMERG LIGHTS TEST NORMAL.

Part: SKIN — CRACKED (R2 HINGE CUTOUTS)

THE FUSELAGE SKIN AT THE R2 UPPER AND LOWER HINGE CUTOUT HAD CRACKS TYPICAL PER B737-200 SRM 53-30-3, FIG 20 AND 33. THE CRACKS WERE IN THE SKIN, BONDED DOUBLER, AND BEAR STRAP. REPAIRED PER ERA 304789-14 REV B.

Part: FRAME — CRACKED (R1 DOORWAY)

THE R1 DOOR FRAME INTERCOSTALS AT STR-8A ANDSTR-10A WERE FOUND TO BE CRACKED IN THE TYPICAL MANNER SHOWN IN S/B 737-53A1108 AND AD 88-03-03.

Part: INTERCOSTAL — CRACKED (R1 DOOR)

THE R1 DOOR FRAME INTERCOSTALS AT STR 8A AND STR 10A WERE FOUND TO BE CRACKED IN THE TYPICAL MANNER SHOWN IN SB 737-53A1108 AND AD 88-03-03. REPAIRED PER ERA 304765-14AD REV A.

Part: SKIN — CRACKED (R2 HINGE CUTOUTS)

THE FUSELAGE SKIN AT THE R-2 UPPER AND LOWER HINGE CUTOUT HAD CRACKS TYPICAL PER B737-200 SRM 53-30-3, FIGURE 20 AND 33. THE CRACKS WERE IN THE SKIN, BONDED DOUBLE, AND BEAR STRAP.

Part: TURBINE — FAILED (NR 2 ENGINE)

DURING CLIMBOUT PASSING 12,000 FT, RT ENG AUDIBLE BANG WITH ENG INDICATIONS OF UNWINDING N2, N1 EGT 350 C, AND RAPID LOSS OF OIL QTY, AIRSPEED 340 KTS. PERFORMED ENG SHUTDOWN AS PER POM. ATL MTC CREW REPLACED ENG PER R/C DECK TRANS 3T214.

Part: WIRE — BROKEN (CABIN)

EMERGENCY TRACK LIGHTING INOP FWD AND AFT CABIN. REPLACED CHARGER BASE AND BATTERY PACKS, NO HELP. FOUND BROKEN WIRE IN LIGHTING TRACK THAT AFFECTED MOST FWD AND AFT LIGHT SEGMENTS.

Part: CONTROL SWITCH — INOPERATIVE (COCPIT)

EMERGENCY TRACK LIGHTS CAME ON BY THEMSELVES AND STAYED ON. REPLACED EMERGENCY LIGHT CONTROL SWITCH. OPS CKS GOOD.

Part: LIGHT — INOPERATIVE (CABIN)

AFTER ELECT TRANSFER, EMERGENCY EXIT LIGHTS ILLUMINATED IN TOURIST CLASS, FIRST CLASS TRACK LIGHTS WERE OFF AND OVERHEAD BIN LIGHTS AND EXIT LIGHTS WERE ON. ALL WITH SWITCH IN 'ARM'. REPLACED F/C AND Y/C TRACK LIGHT POWER SUPPLYS AND BATTERY PACKS.

Part: BATTERY PACK — DISCHARGED (CABIN)

EMERGENCY TRACK LIGHTING WILL NOT TURN OFF. REPLACED BATTERY PACK M9012, OP CK OK.

Part: FLOOR BEAM — CRACKED (BS 695)

UPPER T-CAP CRACKED AT APPROX STA 695 BL 0 CENTER FLOOR BEAM. REPAIRED PER ERA 303591-14.

Part: FLOOR BEAM — CRACKED (BS 662)

THE BL ZERO FLOOR BEAM OF THE WING CENTER SECTION IS CRACKED AT STA 662. NO CRACKS WERE FOUND IN THE WEB. THE CRACK IS TYPICAL PER BACO S/B 737-57-1210. THIS ERA WILL INSTALL THE S/B REPAIR FOR THIS CONDITION.

Part: FLOOR BEAM — CRACKED (BS 662)

THE BL ZERO FLOOR BEAM OF THE WING CENTER SECTION IS CRACKED AT STA 662. NO CRACKS WERE FOUND IN THE WEB. THE CRACK IS TYPICAL PER BOEING SERVICE BULLETIN 737-57-1210.

Part: BATTERY PACK — DISCHARGED (CABIN)

R1 OVRHD AND L1 SLIDE EMERGENGY LIGHTS INOPERATIVE. REPLACED BATTERY PACK. CKS GOOD.

Part: AIR DATA COMP — FAILED (EE COMP)

DURING CLIMB-OUT AT 10,000 FT, 32 AIR DATA COMPUTER FAILED. RETURNED ATL. REPLACED ADC OPERATION NORMAL.