N14341

Part: FRAME — CRACKED (BS 794) · airframe 59,205 hrs · 26,679 cycles

INSPECTION FOUND A 1 INCH CRACK IN AFT CARGO DOOR CUTOUT FORWARD FRAME AT LOWER STOP FITTING, STA 794.3. THE FRAME WAS REMOVED AND REPLACED IAW SRM 51-40-02 AND 51-10-2.

Part: KEELBEAM — CORRODED (BS 520-530 S28R) · airframe 59,205 hrs · 26,679 cycles

INSPECTION FOUND KEEL BEAM CORRODED AT STA 520-530, S28R. THE CORROSION WAS REMOVED AND THE KEEL BEAM WAS REPAIRED IAW SRM 53-60-12 AND 51-40-02.

Part: HINGE FITTING — CORRODED (BS 303) · airframe 59,205 hrs · 26,679 cycles

INSPECTION FOUND L-1 DOOR HINGE FITTING CORRODED AROUND BOLT HOLE AT STA 303.9. THE FITTING WAS REMOVED AND REPLACED IAW SRM 51-40-02.

Part: SKIN — CRACKED (CARGO DOOR) · airframe 59,205 hrs · 26,679 cycles

INSPECTION FOUND A .5 INCH CRACK IN AFT CARGO DOOR SKIN AT LIGHTENING HOLE IN CENTER OF DOOR. A DOUBLER WAS INSTALLED IAW ECRA 5232-01082.

Part: SKIN — CRACKED (WS 255-389) · airframe 59,205 hrs · 26,679 cycles

INSPECTION FOUND A .5 INCH CRACK IN NR 6 FIXED L/E SKIN AT WS 255-389. REPAIRED IAW SRM 51-70-17 AND 51-40-02.

Part: FLOORBEAM — CORRODED (BS 1016) · airframe 59,205 hrs · 26,679 cycles

INSPECTION FOUND FLOORBEAM CORRODED AT STA 1016, RBL 34 TO LBL 27. THE FLOORBEAM TOP CHORD WAS REMOVED AND REPLACED IAW ECRA 5310-03851, REV C.

Part: SEAT TRACK — CORRODED (BS 328-343) · airframe 59,205 hrs · 26,679 cycles

INSPECTION FOUND MAIN CABIN SEAT TRACK CORRODED AT STA 328-343, RBL 43. THE SEAT TRACK WAS REMOVED AND REPLACED IAW SRM 51-40-02.

Part: ANGLE — CORRODED (BS 306-350) · airframe 59,205 hrs · 26,679 cycles

INSPECTION FOUND MAIN CABIN L-1 DOOR Z-ANGLE CORRODED AT STA 306-350, LBL 54. THE Z-ANGLE WAS REMOVED AND REPLACED IAW SRM 51-10-02.

Part: FLOORBEAM — CORRODED (BS 295) · airframe 59,205 hrs · 26,679 cycles

INSPECTION FOUND MAIN CABIN FLOORBEAM CORRODED AT STA 295, RBL 45. THE CORRODED SECTION OF FLOORBEAM WAS REMOVED AND A NEW SECTION WAS INSTALLED IAW SRM 53-10-51, FIGURE 201B, REPAIR NR 5.

Part: SEAT TRACK — CORRODED (BS 277-291) · airframe 59,205 hrs · 26,679 cycles

INSPECTION FOUND MAIN CABIN SEAT TRACK CORRODED AT STA 277-291, RBL 42. A NEW SEAT TRACK WAS INSTALLED IAW SRM 51-40-02 AND 51-20-01.

Part: FLOORBEAM — CORRODED (BS 986) · airframe 59,205 hrs · 26,679 cycles

INSPECTION FOUND FLOORBEAM CORRODED ON TOP AND BOTTOM AT STA 986.5, RBL 43. A REPAIR STRAP WAS INSTALLED IAW SRM 53-00-51, FIGURE 201, REPAIR 3.

Part: PRESSURE PANEL — CRACKED (FUSELAGE) · airframe 51,525 hrs · 23,317 cycles

INSPECTION FOUND A 12 INCH CRACK IN RT PRESSURE DECK AT STA 670, RBL 43, WL 200. THE PRESSURE DECK WAS REPAIRED IAW ECRA 5312-01031 AND SRM 53-60-51.

Part: SKIN — CRACKED (C-2 DOOR) · airframe 48,498 hrs · 21,880 cycles

INSPECTION FOUND A 0.050" CRACK AT EDGE OF LIGHTENING HOLE IN C-2 DOOR INTERIOR SKIN. SECOND ROW FROM LEADING EDGE CENTER OF DOOR. A DOUBLER REPAIR WAS INSTALLED IAW ECRA 5232-01019.

Part: SKIN — CRACKED (C-1 DOOR) · airframe 48,498 hrs · 21,880 cycles

INSPECTION FOUND A .040" CRACK AT EDGE OF LIGHTENING HOLE IN C-1 DOOR INTERIOR SKIN. SECOND ROW AFT OF LEADING EDGE, CENTER OF DOOR INTERIOR. A DOUBLER REPAIR WAS INSTALLED IAW ECRA 5232-01018.

Part: FRAME — CRACKED (STA 807) · airframe 48,498 hrs · 21,880 cycles

INSPECTION FOUND A 1" CRACK IN FRAME AND FRAME WAS BENT IN AFT PIT AT STA 807 BETWEEN STRINGER 23L AND 24L. A FRAME REPAIR WAS INSTALLED IAW SRM 51-70-11.

Part: WEB — CORRODED (ABB THRESHOLD) · airframe 48,498 hrs · 21,880 cycles

INSPECTION FOUND AFT CARGO PIT THRESHOLD WEB CORRODED AT STA 793-847. THE WEB WAS REMOVED AND REPLACED IAW SRM 51-40-02.

Part: SUPPORT — CORRODED (ABB THRESHOLD) · airframe 48,498 hrs · 21,880 cycles

INSPECTION FOUND AFT BAGGAGE BIN THRESHOLD FORWARD WEB SUPPORT CORRODED. THE SUPPORT WAS REMOVED AND REPLACED IAW SRM 51-40-02.

Part: WEB — CORRODED (STA 794-847) · airframe 48,498 hrs · 21,880 cycles

INSPECTION FOUND AFT BAG BIN THRESHOLD LOWER SUPPORT WEB CORRODED IN SEVERAL SPOTS AT STA 794-847, S26R. THE SUPPORT WEB WAS REMOVED AND REPLACED IAW SRM 51-10-02 AND 51-40-02.

Part: INTERCOSTAL — CORRODED (STA 747-767) · airframe 48,498 hrs · 21,880 cycles

INSPECTION FOUND R/H INTERCOSTAL IN AFT CARGO AREA CORRODED AT STA 747-767, RBL 22. THE INTERCOSTAL WAS REMOVED AND REPLACED IAW SRM 51-40-02.

Part: SEAT TRACK — CORRODED (STA 500) · airframe 48,498 hrs · 21,880 cycles

INSPECTION FOUND L/H O/B SEAT TRACK CORRODED AT STA 500. THE SEAT TRACK WAS REMOVED AND REPLACED IAW SRM 51-10-2.

Part: WEB — CORRODED (STA 500) · airframe 48,498 hrs · 21,880 cycles

INSPECTION FOUND FORWARD PIT DOOR CUTOUT AFT JAMB R/H LOWER WEB CORRODED ON UNDERSIDE AT STA 500. A WEB SPLICE REPAIR WAS INSTALLED IAW SRM 51-70-13, FIGURE 1.

Part: FLOOR SUPPORT — CORRODED (STA 947.5-967) · airframe 48,498 hrs · 21,880 cycles

INSPECTION FOUND FLOOR SUPPORT CORRODED AT STA 947.5-967, LBL 18. THE FLOOR SUPPORT WAS REMOVED AND REPLACED IAW SRM 51-40-02.

Part: STRINGER — CRACKED (BS 500C) · airframe 48,498 hrs · 21,880 cycles

INSPECTION FOUND A 1/2" CRACK IN STRINGER 16R FORWARD OF ICE LIGHT AT BS 500C. THE STRINGER SECTION WAS REPLACED IAW SRM 53-00-03, FIGURE 202.

Part: FRAME — CRACKED (FUSELAGE) · airframe 48,498 hrs · 21,880 cycles

INSPECTION FOUND LEFT AND RIGHT MAIN BS 616 FRAME INNER CHORDS CRACKED BELOW MAIN CABIN FLOOR. THE CRACKS WERE 1 INCH EACH. THE CRACKED AREAS WERE CUT OUT AND FILLERS AND STIFFENERS WERE INSTALLED IAW ECRA 5311-01134.

Part: ANGLE — CRACKED (STA 927-947) · airframe 48,498 hrs · 21,880 cycles

INSPECTION FOUND A 2" CRACK IN WEB L-ANGLE AT STA 927-947. A NEW ANGLE WAS INSTALLED IAW SRM 51-10-02.

Part: FLOORBEAM — CORRODED (STA 986.5) · airframe 48,498 hrs · 21,880 cycles

INSPECTION FOUND FLOORBEAM CORRODED AT STA 986.5, LBL 52 TO RBL 52. THE UPPER CAP WAS REMOVED AND A NEW "T" CHORD REPAIR WAS INSTALLED IAW ECRA 5310-03851.

Part: FLOOR SUPPORT — CORRODED (FUSELAGE) · airframe 48,498 hrs · 21,880 cycles

INSPECTION FOUND RT DIAGONAL FLOOR SUPPORT CORRODED AT STA 1006-1016. THE FLOOR SUPPORT WAS REMOVED AND REPLACED IAW SRM 51-40-02.

Part: FLOOR SUPPORT — CORRODED (FUSELAGE) · airframe 48,498 hrs · 21,880 cycles

INSPECTION FOUND LT DIAGONAL FLOOR SUPPORT CORRODED AT STA 1006 TO 1016. THE FLOOR SUPPORT WAS REMOVED AND REPLACED IAW SRM 51-40-02.

Part: SKIN — CRACKED (BS 380)

INSPECTION FOUND A .75 INCH CRACK IN FUSELAGE SKIN CUTOUT AT STA 380, AFT END OF EQUIPMENT COOLING EXHAUST. REPAIRED IAW ECRA 5330-02894.

Part: FLOORBEAM — CORRODED (BS 500)

INSPECTION FOUND FLOORBEAM CORRODED AROUND NUT PLATE HOLES AT STA 500C TO 500D BETWEEN STRINGERS 26L AND 27L. THE CORRODED AREA WAS REMOVED, A REPAIR DOUBLER AND FILLER WERE FABRICATED AND INSTALLED IAW ECRA 5320-01502.

Part: SOCKET — INOPERATIVE (CABIN)

INSPECTION FOUND, RT FORWARD SERVICE DOOR EXTERIOR EMERGENCY LIGHT INTERMITTENT. THE LIGHT SOCKET WAS REPLACED IAW MM 33-51-00.

Part: FLOORBEAM — CORRODED (BS 967)

INSPECTION FOUND FLOORBEAM CORRODED AT STA 967, LBL 15. THE FLOORBEAM WAS REMOVED AND REPLACED IAW SRM 53-10-51.

Part: FLOORBEAM — CORRODED (BS 967)

INSPECTION FOUND FLOORBEAM CORRODED AT STA 967, RBL 0 TO RBL 29. THE FLOORBEAM WAS REMOVED AND REPLACED IAW SRM 53-10-51.

Part: SUPPORT — CORRODED (BS 947-967)

INSPECTION FOUND FLOOR SUPPORT CORRODED FROM STA 947-967, RBL 18. THE FLOOR SUPPORT WAS REMOVED AND REPLACED IAW SRM 51-10-2.

Part: SUPPORT — CORRODED (BS 1006-1016)

INSPECTION FOUND FLOOR SUPPORT CORRODED FROM STA 1006 TO 1016, LBL 6 TO 18. THE FLOOR SUPPORT WAS REMOVED AND REPLACED IAW SRM 51-10-2.

Part: FLOORBEAM — CORRODED (BS 947)

INSPECTION FOUND FLOORBEAM CORRODED AROUND SCREW HOLES AT STA 947, LBL 6. THE FLOORBEAM WAS REPAIRED IAW SRM 53-00-51.

Part: FLOORBEAM — CORRODED (BS 328)

INSPECTION FOUND FLOORBEAM CORRODED AT STA 328, BBL 0 TO RBL 30. THE FLOORBEAM WAS REPAIRED IAW SRM 53-10-51.

Part: FLOORBEAM — CORRODED (BS 312)

INSPECTION FOUND FLOORBEAM CORRODED AT STA 312, LBL 10 TO RBL 30. THE FLOORBEAM WAS REPAIRED IAW SRM 53-10-51.

Part: FIRE DETECT UNIT — INOPERATIVE (NR 2 ENGINE)

THE APU FIRE BELL SOUNDED WHILE STARTING THE APU ON SHORT FINAL. THE OVERSPEED LIGHT CAME ON AND THE BOTTLE DISCHARGE LIGHT DID NOT ILLUMINATE. THE FIRE LIGHT REMAINED ILLUMINATED ALL THE WAY TO THE GATE. MAINTENANCE FOUND NO EVIDENCE OF FIRE. THE NR 2 ENGINE AND APU FIRE DETECTION UNIT WAS REMOVED AND REPLACED. THE APU FIRE BOTTLE WAS REMOVED AND REPLACED. APU FIRE DETECTION SYSTEM TROUBLESHOOTING WAS PERFORMED PER MM 26-15-00 AND WIRING DIAGRAM 26-11-31, PAGE 1. THE FIRE LOOP CONNECTIONS WERE CLEANED, AN OPERATIONAL TEST WAS NORMAL PER MM 26-15-00, PAGE 501-505.

Part: AP ACCY UNIT — INOPERATIVE (E/E COMPT)

UPON SELECTING THE APP MODE AIRCRAFT LOST ALL FLIGHT DIRECTION, NR 1 AIRSPEED BUG, YAW DAMPER, BOOST PUMPS, BUT NO BUSS OFF LIGHT ILLUMINATED. THE AIRCRAFT LANDED AT CLE WITHOUT INCIDENT. MAINTENANCE REMOVED AND REPLACED THE AUTOPILOT ACCESSORY UNIT AND THE R2-9 RELAY. A LAND VERIFY CHECK WAS COMPLIED WITH AND ALL CHECKED GOOD.

Part: SKIN — PUNCTURED (BS 480)

EWR - INSPECTION FOUND A 2 INCH BY 2 INCH PUNCTURE IN RT FUELAGE SKIN ABOVE WINDOW NR 8 AT STA 480. THE AREA WAS REPAIRED IAW SRM 53-00-01, FIGURE 202. (X)

Part: BATTERY PACK — DISCHARGED (CABIN)

HOU - THE LEFT AFT EMERGENCY CEILING LIGHT BATTERY PACK FAILED CAPACITY TEST. THE BATTERY PACK WAS REMOVED AND REPLACED. (M)

Part: UPLOCK ACTUATOR — INOPERATIVE (RT MLG)

BUF - FLT 0640 - THE RT MLG GAVE AN UNSAFE GEAR INDICATION WHEN GEAR WAS EXTENDED ON APPROACH TO BUF. 'ABNORMAL' PROCEDURES WERE FOLLOWED AND A TOWER FLY-BY WAS CONDUCTED. THE GEAR WAS CONFIRMED DOWN AND LOCKED AND THE AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE FOUND THE RT MLG UPLOCK ACTUATOR AT FAULT. THE UPLOCK ACTUATOR WAS REMOVED AND REPLACED. THE GEAR WAS SWUNG SEVERAL TIMES AND OPERATION CHECKED GOOD. (X)

Part: COUPLER — RATE GYRO FAILED (YAW DAMPER)

FLT 0131-MEX-THE YAW DAMPER WENT FULL SCALE RT WITH RUDDER MOVEMENT TO THE RT AT APPROX 11,000 FT WITH AIRSPEED BETWEEN 180 AND 170. THE YAW DAMPER WAS TURNED OFF AND RUDDER WENT BACK TO NORM. THE AUTOPILOT ACCY UNIT WAS REMOVED DURING T/S AND TESTED GOOD PER MM 22-11-36. THE YAW DAMPER COUPLER WAS REPLACED AS A PRECAUTION. ALSO, THE RUDDER PCU AND STANDBY RUDDER PCU WERE BOTH R/R. OPS OF BOTH UNITS CHKD GOOD. S/D - FAILURES BEEN ATTRIBUTED TO THE YAW DAMPER COUPLER WHICH WAS FOUND TO HAVE A FAULTY RATE GYRO. NO TROUBLE WAS FOUND WITH THE STANDBY RUDDER PCU. THE RUDDER PCU DID NOT PASS ACCEPTANCE TEST, BUT NO DISCREPANCIES WERE FOUND THAT COULD HAVE LEAD TO YAW DAMPER ANOMALY. (M)