N212US

Part: CONTROL CABLE — FAILED (TE FLAP)

DEN - DURING DESCENT, FLIGHT CREW REPORTED TRAILING EDGE FLAPS STUCK. LEFT FLAP UP, RIGHT FLAP AT 1 DEGREE. LEADING EDGE DEVICES FULL EXTEND. AN EMERGENCY WAS DECLARED. AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED FLAP ASYMMETRY FAC-4 CABLE. ADJUSTED AND TESTED CABLE PER MM 27-51-301A AND CHECKED OK. (M)

Part: PRESSURE BLKHD — CRACKED (NLG WW)

DEN - DURING SERVICE CHECK, MAINTENANCE REPORTED A 7 INCH/8 INCH CRACK IN NOSE WHEEL WELL PRESSURE WEB. OUTBOARD RT SIDE AFT OF DOWNLOCK VIEWER. MAINTENANCE REMOVED DAMAGED AREA AND REPAIRED PER SRM 51-40-2, FIG 1. CYCLES: 1,199. (X)

Part: BATTERY PACK — DISCHARGED (CABIN)

EMERGENCY EXIT LIGHTS FAIL BATTERY CAPACITY TEST. BOTH OVERWING EXIT DOORS, CENTER AISLE, AFT ENTRY AND SERVICE DOOR SIDE LIGHTS AND BOTH AFT SLIDE LIGHTS FAIL TEST. REMOVED AND REPLACED BATTERY PACK AT POSITION M1051 AND POSITION M1052 PER MM 33-51-31. FUNCTIONAL TEST OF EMERGENCY LIGHTS PER MM 33-51-11 IS GOOD. (M)

Part: RIB — CRACKED (WS 217)

PAE - FIXED L/E NR 3 SLAT TRACK INBOARD MAIN TRACK, INBOARD ROLLER SUPPORT RIB HAS CRACK, FSS 271, SS 31.42. REMOVED AND REPLACED CRACKED RIB IAW SRM 51-30-02. (M)

Part: WEB — CRACKED (BS 661)

PAE - HORIZ WEB AT BS 661, LBL 67, LL 208 IS CRACKED. FABRICATED WEB USING 7075-T6 .040 AND INSTALLED PER SRM 51-10-2. (M)

Part: SKIN — WORN (RT A/C COMPT)

PAE - TWO HOLES BURNED (ERRODED) THROUGH UPPER FWD INBOARD SKIN ABOVE AIR CLEANER IN RT AC BAY. REPAIRED IAW SRM 53-30-3, PAGE 9 AND PAGE 10. DAMAGE OCCURRED DUE TO ABRASIVE AIR LEAK FROM HOLE IN BLEED AIR CLEANER. IN RT AC BAY. REPAIRED IAW SRM 53-30-3, PAGE 9 AND PAGE 10. DAMAGE OCCURRED DUE TO ABRASIVE AIR LEAK FROM HOLE IN BLEED AIR CLEANER. (M)

Part: SKIN — CRACKED (BS 276.5)

DEN - DURING SERVICE CHECK, MAINTENANCE REPORTED A 6 INCH CRACK IN THE NOSE WHEEL WELL OVERHEAD SKIN AT STATION 276.5, LBL 6 TO LBL 12. MAINTENANCE REPAIRED CRACK PER SRM 51-40-2. (M)

Part: LIGHT — INOPERATIVE (CABIN)

DEN - DURING SERVICE CHECK, MAINTENANCE REPORTED EMERGENCY LIGHT AT L1 DOOR AFT FUSELAGE DIM. MAINTENANCE REPLACED LAMP HOUSING AND CHECKED OK. (M)

Part: BATTERY PACK — DISCHARGED (CABIN)

DEN - DURING SERVICE CHECK, MAINTENANCE REPORTED EMERGENCY EXIT LIGHTS BETWEEN ROWS 7 AND 13 INOPERATIVE. REPLACED BATTERY PACK AND CHECKED OKAY. (X)

Part: BULB — FAILED (CABIN)

DEN - DURING SERVICE CHECK, MAINTENANCE REPORTED FLOOR PROXIMITY LIGHTING AT ROWS 14 A, B, C, 16 A, B, C, 17 A, B, C, AND 18 A, B, C, INOPERATIVE. MAINTENANCE REPLACED BULBS IN AFFECTED ROWS AND SYSTEM CHECKED OKAY. (X)

Part: FRAME — CORRODED (BS 277.8)

PAE - FOUND CORROSION ON FORWARD SIDE OF FUSELAGE FRAME VERTICAL FLANGE, STATION 227.8 RBL 19, WL 168. REMOVED CORROSION AND FOUND OUT OF LIMITS PER SRM. FLAP PEENED REWORKED AREA AND TREATED. FABRICATED STRAP, ALODINED AND PRIMED REPAIR PARTS AND INSTALLED ALL WORK DONE IAW SRM 51-10-2, 51-30-2 AND EWO 96-0780. WORK ACCOMPLISHED ON TRAMCO MWO FUSELAGE 207. (M)

Part: SKIN — DENTED (AIRSTAIR DOOR)

FOUND DENT ON AFT AIRSTAIR DOOR APPROXIMATELY 16 INCHES FROM TOP OF DOOR. REMOVED DAMAGE ON AFT ENTRY DOOR OUTER SKIN 1.75 INCH BY 1.75 INCH APPROX 16 INCHES FROM TOP OF DOOR AND 16 INCHES FROM FORWARD SIDE. INSTALLED REPAIR DOUBLER IAW SRM 52-00-3, 52-10-1, 51-10-1, 51-20-4 AND 51-30-0. (M)

Part: SKIN — CRACKED (BS 977)

PAE - FOUND CRACK IN SKIN AT THE TOP EDGE OF LOWER DOOR CUTOUT AT BS 977 WL 208. CRACK IS APPROXIMATE 1.5 INCH LONG, TRAVELING FROM EDGE INTO HOLE AND BEYOND. CRACK IS IN QUADRUPLER. REMOVED CRACKED QUADRUPLER, AND TRIPLER AT BS 947-1016 WL 218-190 AND FABRICATED A NEW QUADRUPLER. REINSTALLED TRIPLER AND QUADRUPLER PER EWO 96-0767 AND B737-200 SRM 51-10-2. (M)

Part: FLOORBEAM — CORRODED (BS 947)

PAE - FOUND CORROSION ON FLOORBEAM AROUND NUTCLIP HOLE AT BS 947, RBL 50, WL 208. BLENDED DAMAGED AREA PER SRM 51-10-02, DAMAGED AREA WAS FOUND TO BE OUT OF LIMITS. FABRICATED A REPAIR STRAP AND TREATED PER SRM 51-20-01. INSTALLED STRAP, ALL WORK ACCOMPLISHED ON MWO 96-0746 AND B737-200 SRM 53-10-9. (M)

Part: CHORD — CRACKED (BS 178)

PAE - CRACK INDICATIONS NOTED (3), RIGHT CHORD BS 178, BETWEEN WL 195 AND WL 204. REMOVED 178 RT WEB FOR ACCESS. REMOVED CRACKED CHORD, FABRICATED NEW CHORD AND INSTALLED CHORD AND RT WEB IAW SRM 53-10-11, SRM 51-30-2, CUS NR 0000899 FUSE NR 00292. (M)

Part: CHORD — CRACKED (BS 727)

PAE - FOUND CRACK INDICATIONS NOTED IN BS 727 OUTBOARD CHORD AT RT STRINGER 18A BETWEEN FORWARD AD AFT FASTENERS, UPPER AND LOWER. ACCESSED AREA. INSTALLED TEMPORARY REPAIR PER SB 737-53A1166. REINSTALLED ALL ITEMS REMOVED FOR ACCESS. WORK DOCUMENTED ON TRAMCO MWO NR FUSELAGE 268. (M)

Part: CHORD — CRACKED (BS 727)

PAE - FOUND CRACK INDICATION NOTED AT BS 727 OUTBOARD CHORD AT LEFT STRINGER 18A UPPER AFT FASTENER HOLE. ACCESSED AREA, INSTALLED TEMPORARY REPAIR PER SB 73753A1166. REINSTALLED ALL ITEMS REMOVED FOR ACCESS. ALL WORK DOCUMENTED ON TRAMCO MWO NR FUSELAGE 269. (M)

Part: CHORD — PUNCTURED (BS 440)

PAE - FOUND PUNCTURE IN FAIL/SAFE CHORD BS 440 BETWEEN STRINGER 27 AND 28 RT. PUNCTURE IS BELIEVED TO HAVE BEEN CAUSED BY CORROSION. REMOVED AND REPLACED ENTIRE CHORD, REF SRM 51-30-2, SRM 53-10-2. WORK ACCOMPLISHED ON TRAMCO MWO NR FUSELAGE 214. (M)

Part: STRINGER — CORRODED (BS 260-266)

PAE - FOUND CORROSION ON FORWARD END OF STRINGER BS 260-266 STRINGER 22L. FOUND CORROSION OUT OF LIMITS. CUT OUT DAMAGED SECTION OF STRINGER AND REPAIRED PER SRM 53-10-03. WORK ACCOMPLISHED ON TRAMCO MWO FUSELAGE 289. (M)

Part: FLOORBEAM — CORRODED (BS 986.5)

PAE - FOUND CORROSION (C53-107-02) ON FLOORBEAM AT NUTCLIP HOLE BS 986.5 RBL 18 UNDER SIDE OF UPPER CHORD. REPAIRED FLOOR BEAM AT BS 986.5, RLB 18, WL 208 IAW EWO NR 96-0742, SRM 53-10-0 AND SRM 51-20-01 CUST NR 0000844 INT NR 224. (M)

Part: FRAME — CORRODED (BS 987)

PAE - WHILE WORKING FLOOR WEB AT BS 987, FOUND CORROSION AND MECHANICAL DAMAGE ON FRAME AT BS 993, RBL 49, WL 210-206. BLENDED OUT CORROSION ON FRAME. FOUND OUT OF LIMITS. CUT OUT DAMAGED AREA OF FRAME. MECHANICAL DAMAGE WAS LOCATED ON WEB AREA OF FRAME. CUTOUT DAMAGED AREA. FAIL/SAFE CHORD ON FRAME WAS ALSO DAMAGED. CUT OUT DAMAGED AREA. FABRICATED REPAIR PARTS FOR FRAME FLANGE, FRAME WEB, AND FAIL/SAFE CHORD. TREATED ALL REPAIR PARTS AND INSTALLED WET WITH SEALANT. REF SRM 51-40-2, SRM 51-40-3, SRM 51-40-4. WORK ACCOMPLISHED ON TRAMCO MWO NR INTERIOR 230. (M)

Part: POWER SUPPLY — INOPERATIVE (CABIN)

DEN - DURING AN A-6 CHECK, MX REPORTED THE RIGHT EMERGENCY EXIT LIGHT FORWARD OF AFT CARGO DOOR INOPERATIVE. REPLACED THE RIGHT BATTERY POWER SUPPLY AND CHECKED OK. (M)

Part: BATTERY PACK — DISCHARGED (CABIN)

DEN - DURING AN A-6 CHECK, MAINTENANCE REPORTED THE RIGHT WING EMERGENCY EXIT LIGHT ABOVE INBOARD FLAPS INOPERATIVE. REPLACED THE RIGHT BATTERY PACK AND CHECKED OK. (M)

Part: CONTROL MODULE — FAILED (CABIN)

MSP - FLT 417 - UPON ARRIVAL, FLIGHT CREW REPORTED AN ACRID ODOR AND SMOKE IN THE CABIN. ODOR AND SMOKE CLEARED WHEN LEFT PACK WAS TURNED OFF. MAINTENANCE REPLACED THE CABIN TEMPERATURE MODULE AND SYSTEM CHECKED OKAY.

Part: VALVE — MALFUNCTIONED (LT PACK)

DEN - FLT 233 - UPON ARRIVAL, FLIGHT CREW REPORTED THE LEFT PACK TEMPERATURE CONTROL WENT TO FULL HOT IN AUTOMATIC MODE CAUSING SMOKE IN THE CABIN. SMOKE DISSIPATED WHEN CONTROL WAS REPOSITIONED TO MANUAL. REPLACED THE LEFT PACK VALVE, AND SYSTEM CHECKED OKAY.