N334DL

Part: WIRE — PULLED (EMERGENCY LIGHT) · airframe 50,960 hrs · 39,952 cycles

SEAT ROW EMERGENCY LIGHT AT 18DEF INOP, HAS WIRED PULLED OUT OF CONNECTOR. REPLACED EMERGENCY LIGHT ON 18DEF SEAT ROW.

Part: BULB — INOPERATIVE (EMERGENCY LIGHT) · airframe 50,960 hrs · 39,952 cycles

EMERGENCY LIGHT BELOW OVERHEAD BIN AT ROW 1 ABC INOP. RELAMPED EMERGENCY LIGHT.

Part: SKIN — CRACKED (FUSELAGE) · airframe 50,441 hrs · 39,557 cycles

THE FUSELAGE SKIN WAS FOUND WITH A 3 INCH LONG CRACK RUNNING ALONG THE BONDED DOUBLER MILL LINE JUST ABOVE STRINGER 16L AT FS 525. THE CRACK WAS REMOVED WITH A CUTOUT IN THE SKIN AND REPAIRED WITH AN EXTERNAL ALUMINUM DOUBLER PER B737 SRM AND PER ER/A 093927-14.

Part: SKIN — CRACKED (FUSELAGE) · airframe 50,441 hrs · 39,557 cycles

THE FUSELAGE SKIN WAS FOUND WITH A 2.7 INCH CRACK RUNNING ALONG THE BONDED DOUBLER MILL LINE JUST ABOVE THE STRINGER 25R SKIN LAP JOINT AT FS 930. THE CRACKED AREA WAS REMOVED WITH A CUTOUT AND REPAIRED WITH AND EXTERNAL ALUMINUM REPAIR DOUBLER PER B737 SRM AND ER/A 093963-14.

Part: SKIN — CORRODED (FUSELAGE) · airframe 49,704 hrs · 39,029 cycles

FUSELAGE SKIN WAS FOUND CORRODED AROUND THE AFT LAV SERVICE PANEL NEAR STA 986 AND STR 27R. AREA REPAIRIED IAW ERA 091035-14.

Part: SKIN — CRACKED (FUSELAGE) · airframe 49,704 hrs · 39,029 cycles

FUSELAGE SKIN, FS 767, STR 19R CRACK ALONG CHEM-MILL 3 INCH CRACK WAS FOUND ALONG A CHEM MILL LINE. A REPAIR WAS INSTALLED PER THE 737-200 SRM 53-30-3 FIG 48. A TEAR STRAP WAS ALSO DAMAGED AND REPAIRED FOLLOWING THE SRM INSTRUCTIONS ERA 091033-14 REV A.

Part: WINDOW — CRACKED (COCKPIT) · airframe 49,654 hrs · 38,992 cycles

R1 WINDOW CRACKED INFLT DESCENDING THROUGH 25,000 FT AT 280 KT. REPLACED SAME.

Part: BATTERY — INOPERATIVE (EMERGENCY LIGHT) · airframe 49,228 hrs · 38,658 cycles

FOUND AFT UPPER LT EMERGENCY LIGHTS 3 EACH INOP. REPLACED BATTERY ASSY, OPS NORMAL.

Part: START VALVE — CONTAMINATED (NR 2 ENGINE) · airframe 49,053 hrs · 38,512 cycles

RIGHT ENGINE START VALVE OPEN LIGHT CAME ON DURING CLIMBOUT ISOLATION VALVE AND ENGINE BLEED VALVE WERE CLOSED. LIGHT WENT OUT AT LOW PWR SETTING. LIGHT STAYED OUT AT LOW PWR. FOUND F/F XMTR LEAKING AT HI PWR SETTING. REPLACED PACKING AND BACK UP RINGS. REPLACED START VALVE AND PRESS SWITCH. ALSO CLEANED CONNECTOR ALL FUEL SOAKED.

Part: CONTROL CABLE — STIFF (NR 1 ENGINE) · airframe 48,987 hrs · 38,456 cycles

DURING CLIMB TO 370 FROM 330 NR 1 THROTTLE POPPED BACK AND FORTH. A/T DISCONNECTED AND THROTTLE STIFF. AFTER DESCENT BELOW 330 THROTTLE WORKED NORMAL AND NOT AS STIFF. REPLACED NR 1 ENGINE THROTTLE PUSH-PULL CABLE. RAN ENGINE PER PFHB. OPS GOOD.

Part: SKIN — DENTED (FUSELAGE) · airframe 48,202 hrs · 37,815 cycles

TWO DENTS WERE FOUND BELOW THE C2 DOOR CUTOUT IN THE FUSELAGE SKIN. THE DENTS WERE REMOVED WITH A 7.75 X 2.6 INCH CUTOUT AND A 9.7 X 3.4 INCH CUTOUT. THE CUTOUTS WERE REPAIRED SEPARATELY WITH EXTERNAL ALUMINUM REPAIR DOUBLERS PER ER/A 385609-14.

Part: SKIN PANEL — CORRODED (FUSELAGE) · airframe 48,200 hrs · 37,814 cycles

THE LOWER SKIN PANEL OF THE KEEL BEAM STRUCTURE WAS FOUND WITH AREAS OF CORROSION BETWEEN FS 661 & 724 AND BETWEEN LBL 6 & RBL 6. THE DAMAGED PANEL WAS REMOVED AND A NEW PANEL FABRICATED AND INSTALLED. THE REPAIR WAS ACCOMPLISHED PER BAC S/B 737-53-1104 AND ER/A 087153-14.

Part: SKIN — CRACKED (FUSELAGE) · airframe 44,457 hrs · 36,216 cycles

A 4 INCH CRACK IN FUSE SKIN STA 947.6 STR 26R. INSTALLED DOUBLER PER SRM 53-30-3 FIG 16.

Part: LIGHT — INOPERATIVE (AFT GALLEY) · airframe 44,423 hrs · 36,202 cycles

DURING MAINT TEST FOUND AFT SECTION AILSE ESCAPE LIGHTS INOP. REPAIRED SHORT TO GROUND IN FLOOR TRACK WIRING AT ROW 14. REPLACED M9221 LT PACK DUE TO BLOWN FUSE.

Part: INTERCOSTAL — CRACKED (FUSELAGE) · airframe 44,010 hrs · 36,017 cycles

THE SIDE CHORD INTERCOSTALS COMMON TO THE FS 178 BULKHEAD AT WL 195 WERE FOUND WITH CRACKING TYPICAL OF BAC S/B 737-53A1173 AND AD 2000-05-29. THE DAMAGED INTERCOSTALS WERE REMOVED AND NEW INTERCOSTALS INSTALLED WITH OVERSIZE FASTENERS AS REQUIRED. THE WORK WAS ACCOMPLISHED PER ER/A 378139-14AD.

Part: WEB — CRACKED (FUSELAGE) · airframe 44,010 hrs · 36,017 cycles

DURING INSPECTION OF THE FS 178 BULKHEAD AND SURROUNDING STRUCTURE PER BAC S/B 737-53A1173, THE ADJACENT COCKPIT FLOOR WEBS COMMON TO THE FS 178 BULKHEAD AT WL 207 AND LBL & RBL 24 WERE FOUND CRACKED. THE DAMAGED WEB SECTIONS WERE REMOVED AND NEW SECTIONS INSTALLED IN ACCORDANCE WITH THE S/B AND ER/A 378160-14AD.

Part: BULKHEAD — CRACKED (FUSELAGE) · airframe 44,010 hrs · 36,017 cycles

THE FS 178 BULKHEAD WAS FOUND WITH 2 SMALL CRACKS AT WL 235 AND LBL 7. THE CRACKS ARE TYPICAL OF BAC S/B 737-53A1173. THE CRACKS WERE ROUTED OUT OF THE WEB AND REPAIRED WITH AN ALUMINUM DOUBLER PER B737 SRM 53-10-11, FIG 1 AND DOCUMENTED PER ER/A 378138-14AD.

Part: UNKNOWN — ODOR (AFT GALLEY) · airframe 43,417 hrs · 35,758 cycles

F/A REPORTS ELECTRICAL ODOR IN AFT GALLEY. CREW S/O GALLEY PWR AND SMELL DISSIPATED. DIVERTING TO RIC. CONTRACT MTC CHECKED AIRCRAFT INCLUDING RUNNING BOTH ENGS, ALL CKS OK. IT APPEARS PAX MAY HAVE HAD A PLANT THAT WAS PUTTING OUT SAME KIND OF ODOR THAT F/A WAS REPORTING. AIRCRAFT CONTINUED ON TO BDL.

Part: COUPLER — FAILED (YAW DAMPER)

CONTINUOUS VIBRATION (AIRFRAME) IN CLIMB AND CRUISE. VIBRATION STARTED AT FL 290 STEADY UP TO FL 350, SPEED 310 KTS. SLOWED TO 250 KTS, NO CHANGE. SECURED YAW DAMPER AT 13,000 FT, VIBRATION CEASED. PERFORMED VIBRATION INSPECTION PER M/M 5-51-281, ALSO REF. T/S CHART M/M 27-31-00. REPLACED YAW DAMPER COUPLER PER M/M. RAN INTERLOCK AND SYTEM TEST PER M/M 22-11-0 PAGE 539. ALL TESTS NORMAL.

Part: FITTING — CORRODED (BS 685)

FUSELAGE RT AND LT MLG SIDE STRUT SUPPORT FITTINGS, FS 685, REPAIR FOR LUG BORE CORROSION. THE LOWER LUGS OF THE LT AND RT MLG SIDE STRUT SUPPORT FITTINGS WERE FOUND TO HAVE CORROSION IN THE LOWER LUG BORES. THE LUG BORES WERE OVERSIZED TO REMOVE THE CORROSION AND OVERSIZE BUSHINGS WERE INSTALLED. THE REPAIR WAS ACCOMPLISHED PER ER/A 366656-14, REV A.

Part: FLOORBEAM — CRACKED (BS 678)

LBL AND RBL 24 CABIN FLOORBEAMS OVERLYING THE MAIN WHEEL WELL AT APPROX STA 678 WERE FOUND WITH CRACKS IN THE WEB AND WEB DOUBLER. REPAIRED PER ERA 332046-14.

Part: FLOORBEAM — CRACKED (BS 664)

BL 0 FLOORBEAM OF THE WING CENTER SECTION IS CRACKED AT BS 664. NO CRACKS FOUND IN THE WEB. REPAIRED PER ERA 331996-14.

Part: FLOORBEAM — CRACKED (BS 670)

CRACKS WERE FOUND IN THE UPPER CHORD OF THE LBL 24 AND RBL 24 OVERWING FLOORBEAMS AT APPROX STA 670 TO 675. THE CRACKS EMINATED FROM THE SEAT TRACK FASTENER CUTOUTS. CRACKING IS DUE TO FATIGUE. REPAIRED PER ERA 332012-14.

Part: SKIN — CRACKED (CARGO DOORWAY)

AFT EDGE OF C2 DOOR CUTOUT WAS FOUND CRACKED AT APPROX 10 BELOW THE SKIN LAP SPLICE. REPAIRED PER ERA 332013-14.

Part: FRAME — GOUGED (BS 380)

FS 380 FRAME WAS GOUGED APPROX 3 ABOVE S27L IN THE UPPER FREE FLANGE. REPAIRED PER ERA 332007-14.

Part: STRAP — CORRODED (BS 783)

THE REINFORCEMENT STRAP FOR THE C2 DOOR CUTOUT FWD FRAME WAS CORRODED AT THE NUT PLATE HOLES AT APPROX S25R. REPAIRED PER ERA 332025-14.

Part: DUCT — FAILED (NR 1 ENGINE)

AT TAKEOFF, NUMBER 1 ENGINE OVERHEAT LIGHT ILLUMINATED. REDUCED POWER, LIGHT EXTINGUISHED. NUMBER 1 ENGINE FAULT DETECTOR LIGHT WOULD NOT TEST. RETURNED TO ATL. FOUND NUMBER ONE ENGINE 13TH STAGE A/I DUCT CROSSOVER TUBE BLOWN AROUND THE 12 O'CLOCK POSITION. REPLACED DUCT.

Part: PACK — FAILED (LEFT)

BURNING ODOR ON CLIMBOUT, THEN LEFT PACK TRIP LT-RESET. WARMER TEMP AND PACK WORKED OK REST OF FLT. FWD LEFT PACK TO MCO/PLAC PER MEL 21-00-01A.

Part: BULKHEAD — CRACKED (BS 178)

MULTIPLE CRACKS DISCOVERED ON THE FORWARD FACE OF THE FS 178 BULKHEAD WEB WHILE ACCOMPLISHING SI 3-69482-14. DAMAGE REMOVAL RESULTED IN ONE CUTOUT AT LBL 5.7, RANGING FROM WL 197 TO WL 203, AND A SECOND CUTOUT AT RBL 5.7, RANGING_FROM WL 197 TO WL 203. LBL 5.7 CUTOUT MEASURES 4.125 VERTICALLY BY 1.0 IB TO OB. THE RBL 5.7 CUTOUT MEASURES 4.75 VERTICALLY BY 1.125 IB TO OB. THE WEB IS MANUFACTURED FROM 0.32 2023-T3CLAD ALUMINUM.

Part: SKIN — CRACKED (BS 373)

THE SKIN AT THE COOLING DUCT CUTOUT, BS 373 LBL 3 WAS FOUND CRACKED AT THE AFT EDGE OF THE CUTOUT. THE CRACK MEASURED APPROXIMATELY 1.375 INCH LENGTH. REPAIRED PER BOEING S/B 737-53-1117, REV 1.

Part: BATTERY PACK — DISCHARGED (CABIN)

AFT TRACK OF FLOOR EMERENGY EXIT LIGHTS VERY DIM. REPLACED BATT PACK AT M9222 AFT TRACK LIGHTS, NOW OPS TEST OK.

Part: LIGHTS — INOPERATIVE (CABIN)

LAST 5 EMERGENCY ESCAPE PATH LIGHTS ARE INOPERATIVE. C.A. DOWN-POWERED POWER SUPPLY AND RECONNECTED POWER AND LIGHTS CK GOOD. AS PRECAUTION, REPLACED BATTERY PACK M1197.

Part: EEL BULB — FAILED (CABIN)

DURING LAYOVER, RT AFT SERVICE DOOR EXTERIOR EMERGENCY LIGHT FAIL TEST. REPLACED BULB, OPERATION NORMAL.