N307WA

Part: FITTING — CORRODED (#1 PYLON) · airframe 46,903 hrs · 32,304 cycles

CORROSION WAS FOUND IN THE BORE OF THE #1 PYLON CROWN BEAM AFT FITTING. THE BORE WAS REAMED TO A DIAMETER OF 3.102" TO REMOVE THE CORROSION. THE DAMAGE WAS FOUND AT HMV.

Part: ATTACH FITTING — WORN (NR 2 PYLON) · airframe 45,022 hrs · 31,160 cycles

A BEARING WAS FOUND MIGRATED FROM THE LUG BORE OF THE AFT FITTING ON THE NR 2 PYLON CROWN BEAM. AFTER REMOVAL OF THE BEARING LIGHT GOUGES WERE FOUND IN THE LUG BORE. THE LUG WAS REAMED TO A LARGER DIAMETER, A STEEL REPAIR BUSHING INSTALLED, AND A NEW BEARING INSTALLED. THE WORK WAS ACCOMPLISHED PER ER/A 382769-14.

Part: GCU — FAILED (NR 1 ENGINE) · airframe 43,994 hrs · 30,514 cycles

APU OVERSPEED, NR 1 GEN WAS ALREADY ON MCO. RESET OVERSPEED ON APU ACCY UNIT. APU WORKS NORMAL. REPLACED NR 1 GCU NR 1 GEN WORKS NORMAL.

Part: WARNING SYSTEM — MALFUNCTIONED (E/E BAY) · airframe 43,494 hrs · 30,166 cycles

CABIN PRESSURE WARNING SOUNDED IN FLIGHT, WOULD NOT SILENCE. PRESSURE GOOD. REPLACED AURAL WARNING UNIT AND CABIN ALT SWITCH.

Part: BULKHEAD — CRACKED (FUSELAGE) · airframe 42,148 hrs · 29,285 cycles

DURING INSPECTIONS PER S/B 737-53A1173 CRACKS WERE FOUND IN THE CENTER WEB OF THE FS 178 BULKHEAD AT WL 234 AND LBL 6. THE CRACKS WERE REPAIRED PER S/B AND SRM 53-10-8, FIGURE 209THE DAMAGE WAS FOUND AT CV.

Part: BULKHEAD — CRACKED (FUSELAGE) · airframe 42,156 hrs · 29,290 cycles

WEB CRACKS WERE FOUND IN THE FS 178 BULKHEAD AT WL 207, RBL AND LBL 25. THE WEBS WERE REPLACED PER S/B 737-53A1173 AT CV.

Part: FRAME — CRACKED (FUSELAGE) · airframe 42,106 hrs · 29,256 cycles

WHILE ACCOMPLISHING INSPECTIONS PER S/B 737-53A1173 A .25 INCH CRACK WAS FOUND IN THE RADIUS OF THE RT SIDE CHORD JUST ABOVE WL 207. THE PART WAS REPAIRED PER S/B AT CV.

Part: CONNECTOR — FAILED (ROW 18)

FLOOR EMERGENCY ESCAPE PATH LIGHT AT SEAT ROWS 18 THROUGH 22 ARE INOP. FOUND OPEN SPLICE CONNECTOR UNDER SEAT 22D. REMOVED AND REPLACED CONNECTOR SPLICE, OPS NORMAL.

Part: FITTING — CRACKED (LT MLG)

LT LANDING GEAR BEAM ATTACH FITTING CRACK IN FASTENER ATTACH HOLES. REPAIRED PER ERA 332754-14.

Part: STRINGER — CRACKED (BS 727)

DURING ACCOMPLISHMENT OF EO 5-70166-3 OF S18A AT BS 727, A CRACK WAS FOUND BEYOND EO/SB LIMITS. REPAIRED PER ERA 332733-14.

Part: SKIN — WORN (BS 860-875)

INSPECTION OF THE VERT STAB FOUND THE FUSE SKIN AT THE BLADE SEAL INTERFACE WORN FROM BS 860 TO BS 887. GREATEST DEPTH OF WEAR WAS 0.013. REPAIRED PER ERA 332744-14.

Part: BULKHEAD WEB — CRACKED (BS 178)

BS 178 BLKHD WEB FOUND CRACKED IN 8 PLACES, LARGEST CUTOUT IS 5 BY 1. REPAIRED PER ERA 332734-14.

Part: SKIN — DENTED (BS 947)

FUSELAGE SKIN FOUND DENTED AT BS 947 NEAR S19L. REPAIRED PER ERA 332751-14.

Part: SKIN — DAMAGED (C1 DOORWAY)

AN EXISTING REPAIR WAS REMOVED AT THE C1 DOOR CUTOUT, ADDITIONAL DAMAGE FOUND. CUTOUTS ARE IN SKIN (1.25 X 3.5) AND BEAR STRAP (1.25 BY 1.5). REPAIRED PER ERA 332728-14.

Part: SKIN — CRACKED (LT COCKPIT)

A .375 INCH CRACK WAS FOUND IN THE FUSELAGE SKIN AND UNDERLYING GUSSET AT THE UPPER OUTBD CORNER OF THE L1 COCKPIT WINDOW (UPPER END OF THE C-D POST). THE CRACK WAS ROUTED OUT AND A STEEL REPAIR DOUBLER AND ALUMINUM REPAIR TRIPLER WERE INSTALLED. THE REPAIR WAS ACCOMPLISHED PER ER/A 365155-14, REV B.

Part: OVEN — FAILED (GALLEY)

F/A CALLED TO SAY SHE WAS GETTING STRONG ELEC SMOKE FROM FWD GALLEY OVENS. SMOKE INCREASED, PULLED GALLEY FWD C/BS AND TURNED OFF GALLEY PWR AND SMOKE DECREASED. RTB TOOK PAX OFF. DEACTIVATED FWD GALLEY OVEN. FOUND ELEC SMELL ON OTBD OVEN FAN EXIT. PULLED AND COLLARED BOTH C/BS FOR OVENS. REPLACED OVEN ASSY.

Part: FIRE DETECTOR — SHORTED (NR 1 ENGINE)

AT FL 330 NR 1 ENG OVHT LT CAME ON, REDUCED PWR SLIGHTLY LT WENT OUT. LT CAME ON SEVERAL MINS LATER THEN FAULT LT CAME ON, OVHT LT STAYED ON, SO SHUT DWN ENG FIRE LT AND BELL CAME ON, FIRED EXT LT STAYED ON FIRED 2ND BOTTLE. LANDED LAS, FIRE TRKS SAW NO IND OF SMOKE OR FIRE. REPLACED BOTH FIRE BOTTLES, INSPECTED ENG FOR CRACKED OR BLOWN DUCTS, NONE FOUND. PRESS PNEU SYS CHECKED FOR LKS, NONE FOUND. FOUND CORE COWL FIRE LP BAD AND REPLACED CORE COWL FIRE WARN LP, TEST OK.

Part: SKIN — DAMAGED (BAGG DOOR)

DURING HMV, FOUND A DEEP GOUGE IN THE C-1 B/B DOOR IN MID-SECTION OF EXTERNAL SKIN 9 INCHES FROM AFT END. CUT OUT DAMAGE AND REPAIRED PER SRM 52-00-01.

Part: SKIN — DENTED (FS 360)

AT HMV, FOUND FUSELAGE SKIN DENTED AT FS 360 ABOVE STRINGER 19R. REPAIRED PER SRM 53-00 -01 PG 312.

Part: STRINGER — CRACKED (FS 787)

DURING HMV, FOUND CARGO TIEDOWN STRINGER CRACKED IN AFT B/B RT CARGO TIEDOWN AT STA 787. REMOVED DAMAGED SECTION AND REPLACED PER SRM 53-00-53 PG 201-203, 206, 207.

Part: SKIN — CRACKED (NR 5 LE SLAT)

AT HMV, NR 5 SLAT LOWER T/E SKIN WAS FOUND CRACKED AT RIVET HEADS ON BOTH SIDES OF SLAT ACTUATOR. REPAIRED PER SRM 57-43-01 FIG 205.

Part: SKIN — WORN (NR 4 MID FLAP)

TOP SIDE OF LOWER SKIN WAS FOUND WORN AT SECOND FROM I/B AFT TRACK CUTOUT, OF NR 4 MID FLAP. REPAIRED PER SRM 57-53-01 WITH REF TO 51-70-10.