N367DL

Part: BEAM — TOOL DAMAGE (LT MLG) · airframe 62,642 hrs · 42,131 cycles

THE AFT TRUNNION BORE OF THE LT WING MLG SUPPORT BEAM SUFFERED TOOLING DAMAGE IN THE HOLE BORE. THE BORE WAS OVERSIZED TO REMOVE THE TOOLING DAMAGE, ROTO PEENED, AND AN OVERSIZE BUSHGING INSTALLED. THE REPAIR WAS ACCOMPLISHED PER ER/A 378444-14.

Part: SUPPORT FITTING — CORRODED (LT MLG) · airframe 62,642 hrs · 42,131 cycles

THE LUG BORE OF THE FS 685 LT MLG SIDE SUPPORT FITTING WAS FOUND WITH CORROSION. THE CORROSION WAS REMOVED BY OVERSIZING THE LUG BORE. AN OVERSIZE BUSHING WAS INSTALLED. THE REPAIR WAS ACCOMPLISHED PER ER/A 378436-14.

Part: LINK — CORRODED (RT MLG TRUNNION) · airframe 62,640 hrs · 42,130 cycles

MLG TRUNNION LINK PITTED AND RUSTY RUST COMING OUT OF MATING SURFACES OF TRUNNION LINK ASSY AND TRUNNION PIN I/B OF MLG ACTUATOR. RIGHT MLG TRUNNION LINK PITTED/CORRODED ON I/B AND O/B FACES. RT MLG UPPER STRUT TRUNNION LUG CORROSION. RT MLG UPPER STRUT CYLINDER, TRUNNION LUGS PLATING MISSING AND CORROSION ON INNER SURFACES OF LUGS AROUND BORE. REPLACED OR REPAIRED AFFECTED PARTS AS NECESSARY.

Part: ACTUATOR — MALFUNCTIONED (RUDDER) · airframe 62,613 hrs · 42,109 cycles

NOTICED A SHARP ABRUPT YAW INPUT SHORTLY AFTER NOSE WHEEL LIFTOFF. NO ABNORMAL WINDS OR AIRCRAFT WAKE EXISTING. YAW WAS SIGNIFICANT NO INPUTS NOTED IN RUDDER PEDALS BY PILOT FLYING. REPLACING RUDDER PACK.

Part: PCU — MALFUNCTIONED (RUDDER) · airframe 62,613 hrs · 42,109 cycles

NOTICED A SHARP ABRUPT YAW INPUT SHORTLY AFTER NOSE WHEEL LIFT OFF. NO ABNORMAL WINDS OR AIRCRAFT WAKE EXISTING. YAW WAS SIGNIFICIANT, NO INPUTS NOTED IN RUDDER PEDALS BY PILOT FLYING. CHECKED YAW DAMP FOR FAULTS, NONE. REPLACED RUDDER PCU PER M/M RII. C/W OK TO CLOSE ACCESS PANELS. REPLACED RUDDER INPUT ROD.

Part: LIGHT — INOP (PAX DOOR)

EMERGENCY LTS INOP LT AND RT FWD ENTRY DOOR ON OUTSIDE OF AIRCRAFT REF WDM 33-51-01. REPLACED M571. OPS NORMAL.

Part: SKIN — CRACKED (BS 320)

DURING THE INSP OF THE R1 DOOR UPPER CORNERS SEVERAL CRACKS WERE FOUND IN THE SKIN ASSY AND BEARSTRAP. REPAIRED PER ERA 367544-14, REV A.

Part: CONNECTOR — LOOSE (CABIN)

EMERGENCY EXIT LIGHTS ALONG AISLE AND LOWER DOORS COME ON AND GO OFF ON THEIR OWN. FOUND WIRE LOOSE ON AFT FLT ATTENDANT PANEL EMERGENCY SWITCH. TIGHTENED CONNECTOR ON SWITCH. LIGHTS OPS CHK NML.

Part: BATTERY — DISCHARGED (CABIN)

EMERGENCY EXIT LIGHT BATTERIES DEAD DUE TO GND POWER LOSS. REPLACED EMERGENCY EXIT BATTERIES AND BASE ASSY.

Part: SKIN — CRACKED (BS 335)

THE FUSELAGE SKIN WAS FOUND WITH A 1.875 INCH CRACK BELOW THE L1 DOOR AT APPROX FS 335. THE CRACK IS TYPICAL OF BAC S/B 737-53-1083. THE CRACK WAS STOP DRILLED AND REPAIRED WITH AN INTERIM DOUBLER REPAIR PER THE S/B. THE REPAIR WILL BE REPLACED WITH A PERMANENT REPAIR/MODIFICATION WITHIN 3000 HOURS PER THE S/B. THE REPAIR IS DOCUMENTED PERER/A 366027-14AD.

Part: FLOORBEAM — CRACKED (BS 725)

THE UPPER CAP OF THE RBL 24.82 OVERWING PASSENGER FLOORBEAM WAS FOUND WITH A .5 INCH CRACK EMANATING FROM A CUTOUT FOR A SEAT TRACK ATTACH POINT. THE CRACK WAS STOP DRILLED AND REPAIRED WITH AN ALUMINUM REPAIR DOUBLER AND TRIPLER PER ER/A 365847-14, REV B.

Part: SKIN — CRACKED (L1 DOORWAY)

THE UPPER HINGE CUTOUT OF THE L1 DOOR OPENING WAS FOUND WITH A TYPICAL CRACK IN THE SKIN AND BONDED DOUBLER. THE CRACK WAS ROUTED OUT AND REPAIRED WITH AN EXTERNAL STEEL DOUBLER PER THE B737 SRM 53-30-3 FIG 21. THE REPAIR WAS DOCUMENTED PER ER/A 365839-14, REV A.

Part: AUDIO ACC UNIT — FAILED (E/E COMPT)

COMM RADIO FAILURE IN FLIGHT OCCURED 5 MIN AFTER T/O. RADIOS RESTORED AFTER APU STARTED AND TRANSFERED NR 2 BUS TO APU. RAN ENGS ALL COMRADIOS CK GOOD. INSPECTED STATIC WICKS AND ANTS. ALL OK. REPLACED AUDIO ACC UNIT. ALL RADIO FUNCTIONS NORMAL.

Part: CLIP — CRACKED (BS 597)

A SKIN AND STRINGER REPAIR WERE ACCOMPLISHED AT FS 597 STR 2L. THE FRAME-TO-STRINGER CLIP INSPECTION REQUIRED PER BAC S/B 737-53-1085 (AD 93-08-04) WAS ACCOMPLISHED AT THIS LOCATION AND RESULTED IN FINDING A CRACKED CLIP. A NEW CLIP HAD TO BE MODIFIED TO ALLOW FOR INSTALLATION IN THE REPAIRED STRINGER. THE CLIP ALTERATION WAS ACCOMPLISHED PER ER/A 365218-14AD.

Part: CLIPS — CRACKED (BS 559-887)

WHILE ACCOMPLISHING REPLACEMENT OF CRACKED FRAME-TO-STRINGER CLIPS PER BAC S/B 737-53-1085 (AD 93-08-04), MTC. WAS UNABLETO INSTALL THE REQUIRED RIVETS. THE RIVETS WERE SUBSTITUTED WITH STEEL HI-LOKS PER ER/A 365196-14AD, REV A.

Part: SKIN — CRACKED (BS 727)

FUSELAGE/SKIN, FS 727A-727B, S-16R-17R, REPAIRED FOR SKIN CRACKS. THE FUSELAGE SKIN BETWEEN FS 727A AND 727B AND BETWEEN STRINGER 16R AND 17R WAS FOUND WITH A 3.25 LONG CRACK AND A 2.25 LONG CRACK. THE CRACKS WERE CUT OUT AND A REPAIR DOUBLER WAS INSTALLED PER ER/A 363613-14, REV A.

Part: INTERCOSTAL — CRACKED (BS 328)

THE R-1 DOOR FRAME INTERCOSTALS AT STR 8A,10A, 11A WERE FOUND CRACKED IN THE TYPICAL MANNER SHOWN IN S/B 737-53A1108, REV 5. THIS ER/A ACCOMPLISHED A REPAIR AT THIS LOCATION WITH THE LISTED S/B AND AD 88-03-03. REPETITIVE INSPECTIONS PER EO 3-55852-12AD MUST CONTINUE.

Part: UPLOCK SENSOR — MALFUNCTIONED (LT MLG)

LEFT GEAR RED ON RETRACTION. RETURNED TO CVG. CORRECTIVE ACTION NECESSARY TO DO GEAR SWING. CHECKING UPLOCK. REPLACED UPLOCK SENSOR. CHECKS OK.

Part: PWR SUPPLY — INOPERATIVE (BS 920)

BOTH LT AND RT LOWER EMERG DOOR EXIT IDENTIFIERS INOP. REPLACED EMERG LIGHT PWR SUPPLY PACK M9027, OPS GOOD PER MM.

Part: TRANSMITTER — INOPERATIVE (LT TE FLAPS)

FLAPS FAILED TO EXTEND. REPLACED LT FLAP POS TRANSMITTER AND INDICATOR, OPER CK OK.

Part: RIB — CRACKED (C 2 DOOR)

DURING SHOP INSPECTION, C-2 CARGO DOOR WAS FOUND WITH CRACKS TO A RIB AND SUPPORT ANGLE AT ACCESS HOLE NR 23. ACCOMPLISHED REPAIRS PER ERA 271679-14AD AND SRM 52-30-2.

Part: FRAME — CRACKED (AFT CARGO DOOR)

AIRWORTHINESS DIRECTIVE 90-06-02, DOOR AFT CARGO, LOWER AFT CORNER, FRAME AND BEAM REPAIR. DURING ROUTINE OVERHAUL, THE LOWER AFT CORNER OF THE AFT CARGO DOOR WAS FOUND DAMAGED. THE FRAME WAS CRACKED AXIALLY ALONG THE RADIUS APPROX 20 INCHES. THE LOWER BEAM WEB WAS SEVERED AND THE O/B ATTACHMENT ANGLE WAS CRACKED IN THE UPPER FLANGE INTO THE RADIUS. REPAIRED PER DL ERA 271679-14AD.

Part: SKIN — CRACKED (FS 303.9)

DURING INSPECTION, THE FUSELAGE SKIN AT STA 303.9 BETWEEN STR 10 AND STR 14 WAS CRACKED AT THE LOWER FORWARD CORNER OF THE FORWARD ENTRY DOORWAY (L-1) LOWER HINGE CUTOUT. THE CRACK MEASURED APPROX 1.8 LONG. FAA FORM 8110-3 DATED 6/7/95, THE DAMAGE WAS CUT OUT AND AN EXTERNAL REPAIR DOUBLER WAS INSTALLED.