ALASKA WEST AIR, INC

Operated by Alaska West Air, Inc. (per NTSB report)

Operated by Alaska West Air, INC (per NTSB report)

Operated by ALASKA WEST AIR INC (per NTSB report)

RT INBD FLAP INBD FLAP VANE ACTUATOR TUBE ASSY WORN. REPAIRED RT INBD FLAP INBD FLAP VANE ACTUATOR IAW REO 601R-57-52-1714.

PHX - EEL - C - DURING INSPECTION THE RT EXTERIOR OVERWING AND LOWER FUSELAGE EMERGENCY EXIT LIGHTS WERE FOUND TO BE INOPERATIVE. MAINTENANCE REMOVED AND REPLACED THE EMERGENCY EXIT LIGHT BATTERY PACK IN THE AFT CARGO COMPARTMENT IAW BMM 33-51-31, OPERATIONAL CHECK WAS GOOD.

MCN - C21 CK - C - BS 178 PRESS BULKHEAD CENTER WEB, LBL 4.8, WL 187.2 TO 188 HAS A .8 INCH CRACK CONFIRMED WITH HFEC. MAINTENANCE CUT OUT DAMAGED AREA, FABRICATED REPAIR DOUBLER AND FILLERS AND INSTALLED IAW B737 SRM 53-10-11 AND TEMP REV 53-52.

MCN - C21 CK - "C" - WHILE INVESTIGATING POSSIBLE CORROSION AROUND FASTENERS AT BS 727 + 17, STR 27L TO 27R, FOUND A 3" CRACK IN STR 27R. NOTE; NO CORROSION WAS FOUND. MAINTENANCE REMOVED CRACKED SECTION OF STR 27R AND INSTALLED REPAIR IAW B737 SRM 53-10-6.

MCN - C21 CK - C - MAIN CABIN SUB FLOOR PRESSURE DECK FWD CHORD BS 663.75, LBL 24, WL 202 CRACKED 3.5 INCH. MAINTENANCE CUT OUT DAMAGED AREA, FABRICATED REPAIR PARTS AND INSTALLED IAW AWA ER 15-5312-01238-GF1.

D: Frame web cracked 3 ea places at fastener holes, BS 639, RBL 65, WL 206C: Removed cracked web, drilled and installed new web IAW B737 200 SRM 51-40-2 at BS 639, RBL 65, wl 206

C21 CK - C - AFT SIDE OF BS 178 PRESS BULKHEAD CENTER WEB HAS A .5 INCH CRACK AT LBL .7, WL 203 TO 203.5, CONFIRMED WITH HFEC. MAINTENANCE CUT OUT DAMAGED AREA, FABRICATED REPAIR DOUBLER AND FILLERS AND INSTALLED REPAIR IAW B737 SRM 53-10-11, PG 83 & 84 AND TEMP REV 53-52.

MCN - C21 - C - BS 178 PRESS BULKHEAD WEB, AFT SIDE, VERT TEE CRACKED 1 INCH ON I/B SIDE, WL 184 TO 185, LBL 5.7, FOUND VISUALLY AND CONFIRMED BY HFEC. MAINTENANCE CUT OUT DAMAGED AREA OF VERT TEE AND FORMED REPAIR ANGLES, STRAPS AND FILLERS AND INSTALLED REPAIR PARTS IAW B737 SRM 53-10-11 PG 57 & 58.

MCN - C21 CK - C - LT WING, I/B FLIPPER FLAP LOWER O/B SKIN CHAFED BEYOND LIMITS. MAINTENANCE REMOVED THE LOWER SKIN PANEL, FABRICATED AND INSTALLED NEW LOWER SKIN PANEL IAW AWA ER 15-5752-01249-DL4.

MCN - C21 CK - C - FLOORBEAM BS 986.5, LBL 44 TO RBL 49 HAS CORROSION IN SEVERAL PLACES ON UPPER FLANGE. MAINTENANCE REMOVED THE FLOORBEAM UPPER CAP FROM LBL 44 TO RBL 49 AND FABRICATED NEW UPPER CAP SECTION AND INSTALLED IAW B737 SRM 53-10-9 FIG 2 PG 7 - 11.

MCN - C21 CK - C - BS 967 FLOORBEAM UPPER FLANGE CORRODED IN 4 PLACES BETWEEN LBL 22 AND RBL 49, BEYOND SRM LIMITS. MAINTENANCE REMOVED THE FLOORBEAM UPPER CAP AND FABRICATED AND INSTALLED NEW UPPER CAP IAW B737 SRM 53-10-9, FIG 2, PG 7 - 11.

MCN - C21 CK - C - RT COCKPIT FLOOR WEB CRACKED 1 INCH AT CUTOUT, BS 180, WL 207, RBL 24. MAINTENANCE REMOVED THE FLOOR WEB, FABRICATED AND INSTALLED NEW FLOOR WEB IAW AWA ER 15-5311-01234-TR1.

MCN - C21 CK - C - BS 178 PRESS BULKHEAD 1.7 INCH CRACK CENTER OF RADIUS, RT CHORD, WL 207, RBL 24. MAINTENANCE REMOVED AND REPLACED THE RT SIDE CHORD IAW AWA ER 15-5311-01242-TB2.

C-21 CK - C - L-1 DOOR CUTOUT FUSELAGE SKIN LOWER EDGE BS 338.5 CRACKED .0625 INCH AT SILL PLATE ATTACH HOLE. MAINTENANCE REAMED CRACKED FASTENER HOLE, DRILLED AND INSTALLED REPAIR DOUBLER AT L-1 DOOR CUTOUT LOWER EDGE, BS 338.5 PER AWA ER 15-5300-01234-DD1.

MCN - C21 CK - C - BS 178 PRESS BULKHEAD CENTER WEB HAS A .8 INCH CRACK AT LBL 9.2 TO LBL 10, WL 218, UNDER REINFORCEMENT AS DETERMINED WITH ULTRASONIC INSPECTION. MAINTENANCE CUT OUT DAMAGED AREA, FABRICATED REPAIR DOUBLER AND FILLERS AND INSTALLED REPAIR IAW AWA ER 15-5312-01249-DL3.

MCN - C21 CK - C - BS 178 PRESS BULKHEAD CENTER WEB HAS A 1 INCH CRACK AT LBL 6.6, WL 221.5 TO WL 222.5 BELOW REINFORCEMENT AS DETERMINED WITH ULTRASONIC INSPECTION. MAINTENANCE CUT OUT DAMAGED AREA, FABRICATED REPAIR DOUBLER AND FILLERS AND INSTALLED REPAIR IAW AWA ER 15-5312-01249-DL3.

MCN - C21 CK - C - BS 178 PRESS BULKHEAD CENTER WEB .7 INCH CRACK, WL 218, RBL 11.7 TO RBL 12.7, BELOW REINFORCEMENT DETECTED BY ULTRASONIC INSPECTION. MAINTENANCE CUT OUT DAMAGED AREA OF WEB AND FABRICATED REPAIR DOUBLER AND FILLER AND INSTALLED IAW B737 SRM 53-10-11 FIG 1 PG 1 - 8.

MCN - C21 CK - C - BS 178 PRESS BULKHEAD CENTER WEB HAS A 1 INCH CRACK, WL 227.7 TO 228.7, RBL 6.4, BELOW REINFORCEMENT, FOUND WHILE PERFORMING ULTRASONIC INSPECTION. MAINTENANCE CUT OUT DAMAGED AREA, FABRICATED REPAIR DOUBLER AND FILLER AND INSTALLED REPAIR PARTS IAW B737 SRM 53-10-11 PG 1 - 8.

MCN - C21 CK - C - BS 178 PRESS BULKHEAD CENTER WEB HAS A .5 INCH CRACK, WL 234, LBL 10 AT A FASTENER HOLE AS DETERMINED WITH HFEC. MAINTENANCE CUT OUT DAMAGED AREA AND FABRICATED REPAIR DOUBLER AND FILLER AND INSTALLED REPAIR PARTS IAW AWA ER 15-5312-01249-DL3.

MCN - C21 CK - C - BS 178 PRESS BULKHEAD CENTER WEB HAS A .75 INCH CRACK, WL 234, RBL 10, FWD SIDE AT A FASTENER HOLE, AS DETERMINED WITH HFEC. MAINTENANCE CUT OUT DAMAGED AREA AND FABRICATED REPAIR DOUBLER AND FILLER AND INSTALLED IAW B737 SRM 53-10-11, PG 1 - 8.

MCN - C-21 CK - "C" - FUSELAGE SKIN BULGE AND CUPPED FASTENERS IN SKIN AT BS 977, BETWEEN STR 23R TO 24R. MAINTENANCE REMOVER FASTENERS IN SKIN, NO CORROSION FOUND ON FUSELAGE SKIN, HOWEVER FOUND SHEAR TIE CORRODED BS 965, RBL 20. REMOVED AND REPLACED SHEAR TIE BS 965, RBL 20 IAW B737 SRM 51-30-2.

MCN - C21 CK - C - BS 178 PRESS BULKHEAD CENTER WEB, AFT SIDE HAS A 1 INCH CRACK, LBL .7, WL 185 FOUND VISUALLY AND CONFIRMED WITH HFEC. MAINTENANCE CUT OUT DAMAGED AREA AND FABRICATED REPAIR DOUBLER AND FILLER AND INSTALLED REPAIR PARTS IAW B737 SRM 53-10-11 PG 83 & 84 AND TEMP REV 53-52.

INFLIGHT NR 2 ENGINE OIL PRESSURE DROPPED BELOW THE RED RADIAL; THE CREW ACCOMPLISHED ENGINE SHUTDOWN PER THE ORH, RETURNED TO OAK. THE ENGINE WAS SHUTDOWN FOR 25 MIN WITH WINDMILLING OIL PRESSURE OF 20 PS. IN OAK THE OIL PRESSURE TRANSMITTER AND OIL PRESSURE INDICATOR WERE REPLACED AND TESTED GOOD; THE ENGINE WINDMILLING INSPECTION WAS PERFORMED AND THE MAIN OIL FILTER WAS REPLACED (NO DEBRIS IN FILTER); ON THE NEXT FLIGHT THE OIL QUANTITY WAS FOUND TO FOLLOW THE POWER LEVER AT ALL SETTINGS; TAKEOFF 2.0-2.5 GALS, IDLE 3.0-3.5 GALS AND AFTER SHUTDOWN IN PHX 4.0 GALS. IN PHX OIL PUMP WAS REPLACED. UPON REMOVAL TE CENTER O-RING WAS FOUND TO BE BROKEN, THE OTHER 2 WERE OK. PUMP WAS REPLACED THOUGH NORMAL.

IN PHX OIL PUMP WAS REPLACED. UPON REMOVAL THE CENTER O-RING WAS FOUND TO BE BROKEN. THE OTHER 2 WERE OK. PUMP WAS REPLACED THOUGH IT APPEARED TO BE NORMAL.

C-CHECK, BULKHEAD CENTER WEB CRACKED AT FS 178, LBL 5.5, WL 200. CUT OUT DAMAGED AREA IAW 737 SRM 53-10-11, FAB''D REPAIR PARTS IAW SRM 53-10-11 FIG 1, INSTALLED REPAIR PARTS IAW SRM 51-30-2.

C-CHECK, FWD PRESSURE BULKHEAD CENTER WEB HAS 7 INCH CRACK BEHIND I/B FLANGE OF ANGLE STIFFENER AT FS 178, LBL 5 - 7, WL 226. REMOVED DAMAGE IAW 737 SRM 53-10-11 FIG 1, FAB''D REPAIR PARTS IAW 737 SRM 53-10-11 FIG 1, AND INSTALLED PARTS IAW 737 SRM 53-10-11.

C-CHECK, SIDE CHORD CRACKED AT FS 178, WL 195 AND WL 207. CUT OUT DAMAGED AREA, FABRICATED REPAIR PARTS, AND INSTALLED SIDE CHORD, SPLICE ANGLE AND STRAPS IAW SB 737-53A-1028 AND ER 15-5310-00274-JS5.

C-CHECK, CABIN SUB FLOOR PRESSURE DECK STIFFENER IS CRACKED AT FS 727, RBL 18. REMOVED AND REPLACED STIFFENER (NEW) IAW 737 SRM 51-30-2.

C-CHECK, CABIN SUB FLOOR PRESSURE DECK STIFFENER IS CRACKED AT FS 727, RBL 9. REMOVED AND REPLACED STIFFENER (NEW) AT FS 727, RBL 9.

C-CHECK, FWD CABIN FS 303, STR 17R FRAME IS CRACKED AT LOWER INBD FLANGE. REMOVED DAMAGED AREA, FABED REPAIR PARTS, AND INSTALLED REPAIR PARTS IAW 737 SRM 51-30-2.

C-CHECK, AIRSTAIR DOOR INSIDE WEB CRACKED AT AFT UPPER CORNER. REMOVED WEB, CUT OUT DAMAGE, FABRICATED REPAIR WEB, DOUBLER, AND SPLICE, INSTALLED REPAIR PARTS IAW 737 SRM 51-30-2, 51-40-3 FIG 3, AND 51-40-2.

C-CHECK, FUSELAGE SKIN BETWEEN BS 727 AND 767, STR 14R TO 20R HAS SEVERAL EXISTING REPAIRS WITH NEW CRACKS IN 3 PLACES. REMOVED DAMAGED AREA, FABRICATED REPAIR PARTS AND SKIN SECTION, INSTALLED SKIN AND SPLICE REPAIR IAW AWA ER 15-5331-00256-DL2.

C-CHECK, WEB AT STA 351.2 STR 20L CRACKED IN TWO PLACES AT E & E BAY. REMOVED DAMAGED WEB IAW 737 SRM 51-30-2, FAB''''D REPLACEMENT WEB IAW DWG 65-458-92, INSTALLED REPLACEMENT WEB IAW 737 SRM 51-30-2.

C-CHECK, THREE CRACKS IN LEFT SIDE VERTICAL WEB OF FLOOR SUPPORT AT STA 717, 724, AND 725, BL 0. REMOVED DAMAGE SECTION OF WEB IAW ER 15-B700-00274-JS4, FAB''D AND INSTALLED REPAIR PARTS IAW ER 15-5700-0027.

C-CHECK, AFT CARGO DOOR HAS TEMP REPAIR, REFER TO AWA ER 15-5361-00210-JS2A, ALLOY STEEL FASTENERS TO BE REPLACED WITH A286 CRES FASTENERS. REMOVED DOOR WEB AND BRACKET IAW 737 SRM 51-30-2, REMOVED AND REPLACED FASTENERS IAW AWA ER 15-5361-00210-JS2A, REINSTALLED WEB AND BRACKET IAW SRM 51-30-2.

C-CHECK, CABIN SUB FLOOR STA 664 LBL 35 PRESSURE DECK HAS CRACK. REMOVED DAMAGED AREA, FABRICATED REPAIR PARTS (FILLER AND DOUBLER), AND INSTALLED REPAIR IAW ER 15-5710-00273-SSI, 737 SRM 51-30-2, AND 51-30-0.

C-CHECK, .5 INCH CRACK IN FUSELAGE SKIN AT TOP OF CAPTAINS NR 1 WINDOW OUTBOARD UPPER CORNER CUTOUT. REMOVED DAMAGE IAW 737 SRM 53-10-01 FIG 210, FABRICATED AND INSTALLED REPAIR FILLER AND DOUBLER IAW 737 SRM 53-10-1 FIG 210 AND ER 15-5330-00272-JS1.

C-CHECK, LEFT INBD MID FLAP L/E HAS DENT THAT IS OUT OF LIMITS. REMOVED DAMAGE IAW 737 SRM 57-50-4 FIG 3, FABED REPAIR PARTS IAW SRM 57-50-4, AND INSTALLED REPAIR IAW SRM 57-50-4 AND 51-30-2.

C-CHECK, SHEAR TIE CRACKED AT FS 400 STR 14R. REMOVED DAMAGED SECTION IAW 737 SRM 51-10-1, FABED SHEAR TIE IAW 737 SRM 53-10-4, INSTALLED REPAIR PARTS IAW 737 SRM 53-10-4.

C-CHECK, FUSLAGE SKIN DENTED BEYOND LIMITS ABOVE DOOR L-1 (A=.7, Y=.05, AY=14). CUT OUT DAMAGED AREA IAW 737 SRM 53-30-5 FIG 3. REWORKED AREA AND INSTALLED DOUBLER IAW 737 SRM 51-30-1, 51-30-2, AND 53-30-3 FIG 1.

C-CHECK, SEALANT BLOWN OUT OF EXISTING REPAIR AT FS 907 APPROX STR 22R. REMOVED OLD REPAIR IAW 737 SRM 51-40-02, FAB''D REPAIR PARTS IAW 53-30-3 FIG 28, INSTALLED REPAIR PARTS IAW 51-40-8 AND 53-30-3 FIG 28.

C-CHECK, INTERCOSTAL CRACKED AT FS 180, LBL 26, WL 195. REMOVED DAMAGED INTERCOSTAL IAW 737 SRM 53-10-11, FABED REPAIR PARTS PARTS IAW 737 SRM 53-10-16, INSTALLED REPAIR PARTS IAW 737 SRM 51-30-0.

C-CHECK, FUSLAGE HAS CREASE THAT IS OUT OF LIMITS AT FS 1110, STR 14R. CUT OUT DAMAGED AREA IAW 737 SRM 51-30-2, FABED REPAIR DOUBLER AND PARTS IAW 737 SRM 51-30-3, INSTALLED REPAIR PARTS IAW 737 SRM 51-30-2.

C-CHECK, SEAT TRACK GOUGED AT FS 340, RBL 25. REMOVED, FAB''D REPLACEMENT TRACK AND INSTALLED SEAT TRACK IAW 737 SRM 53-10-5 FIG 2.

C-CHECK, CRACKED STRINGER AT 500B, STR 16L, FORWARD OF WING ANTI ICE. REMOVED DAMAGED AREA, FABED REPAIR PARTS, AND INSTALLED REPAIR PARTS IAW AWA ER 15-5314-00255-DL1.

C-CHECK, FUSELAGE SKIN GOUGED OUT OF LIMITS AT AC GROUND SERVICE DOOR LT SIDE. CUT OUT DAMAGE IAW AWA ER 15-5243-00256-DL1, TREATED IAW 737 SRM 51-10-02.

CARGO LOADER STRUCK AIRCRAFT AT AFT CARGO DOOR SURROUND STRUCTURE. TEMP REPAIRED IAW ER 15-5361-00210-JS2A, INSPECTION REQUIRED AT EVERY C-CHECK, NOT TO EXCEED 4,500 FLT CYCLES.

NON ROUTINE, R-2 EXIT SIGN WILL NOT ILLUMINATE. REMOVED AND REPLACED EMERGENCY EXIT SIGN ASSEMBLY, OPS CK GOOD.

NON ROUTINE, EMERGENCY LIGHTS INOP ON LAST SIX LT SEAT ROWS. REMOVED AND REPLACED BATTERY PACK AT ROW 17 ABC, OP CK GOOD. RECOMMENDATION: REMAIN OPEN, MONITOR -- AIRCRAFT HAS SEVERAL DISCREPANCIES IN THIS AREA FOR WIRE REPAIRS AND BATTERY REPLACEMENTS.

SEAT EMERGENCY EXIT LIGHT INOP AT ROW 17 LT. REPAIRED BROKEN WIRE UNDER SEAT, OPS CK NORMAL.