N39343

Part: STRINGER — CORRODED (BS 500-500A) · airframe 59,995 hrs · 27,239 cycles

INSPECTION FOUND STRINGER 27L CORRODED AT STA 500-500A. A STRINGER REPAIR WAS INSTALLED SRM 53-00-03.

Part: STRINGER — CORRODED (BS 493 S27L) · airframe 59,995 hrs · 27,239 cycles

INSPECTION FOUND STRINGER 27L CORRODED AT STA 493. A STRINGER REPAIR WAS INSTALLED IAW SRM 53-00-03.

Part: ATTACH ANGLE — CRACKED (BS 277 S13-14R) · airframe 59,995 hrs · 27,239 cycles

INSPECTION FOUND A .5 INCH CRACK IN RT INTERCOSTAL ATTACH ANGLE AT STA 277 BETWEEN S14R AND S13R. THE ANGLE WAS REMOVED AND REPLACED IAW SRM 51-10-2.

Part: SEAT TRACK — CORRODED (BS 919) · airframe 59,995 hrs · 27,239 cycles

INSPECTION FOUND RIGHT I/B SEAT TRACK CORRODED AT STA 919, RBL 20. THE SEAT TRACK WAS REPLACED IAW SRM 51-40-02.

Part: ATTACH ANGLE — CRACKED (BS 294 S11R) · airframe 59,995 hrs · 27,239 cycles

INSPECTION FOUND A .5 INCH CRACK IN RT INTERCOSTAL ATTACH ANGLE AT STA 294, S11R. THE ATTACH ANGLE WAS REMOVED AND REPLACED IAW SRM 51-10-2.

Part: FRAME — CRACKED (BS 500 S21R) · airframe 59,995 hrs · 27,239 cycles

INSPECTION FOUND A 1 INCH CRACK IN FORWARD BAGGAGE BIN AFT LOWER FRAME AFT OF UPPER BOLT HOLE FOR LOWER DOOR STOP, STA 500, S21R. A NEW FRAME WAS INSTALLED IAW SRM 51-10-02.

Part: FLOORBEAM — CORRODED (BS 947) · airframe 59,995 hrs · 27,239 cycles

INSPECTION FOUND AFT ENTRY FLOORBEAM FLANGE CORRODED AT STA 947, RBL 22 TO LBL 5. A NEW SECTION OF FLOORBEAM UPPER FLANGE WAS INSTALLED IAW SRM 53-00-51, FIGURE 201.

Part: ATTACH ANGLE — CRACKED (BS 294 S10-11R) · airframe 59,995 hrs · 27,239 cycles

INSPECTION FOUND A 1 INCH CRACK IN INTERCOSTAL ATTACH ANGLE AT STA 294, BETWEEN S10R AND S11R. THE ATTACH ANGLE WAS REPLACED IAW SRM 51-40-02.

Part: ATTACH ANGLE — CRACKED (BS 294 S10R) · airframe 59,995 hrs · 27,239 cycles

INSPECTION FOUND A .5 INCH CRACK IN RT INTERCOSTAL ATTACH ANGLE AT STA 294, S10R. THE ANGLE WAS REPLACED IAW SRM 51-40-02.

Part: INTERCOSTAL — CRACKED (BS 277 S14L) · airframe 59,995 hrs · 27,239 cycles

INSPECTION FOUND A .75 INCH CRACK IN INTERCOSTAL AT STA 277, S14L. A NEW INTERCOSTAL WAS INSTALLED IAW SRM 51-40-02.

Part: COOLING FAN — FAILED (E&E BAY) · airframe 59,987 hrs · 27,235 cycles

A SMOKY ODOR WAS NOTICED IN THE COCKPIT AND CABIN AND THE EQ COOLING LIGHT ILLUMINATED WHILE ON FINAL APPROACH TO SFO. THE RECIRC FAN SWITCH WAS TURNED OFF AND THE ODOR WENT AWAY. THE AIRCRAFT LANDED WITHOUT FURTHER PROBLEM. MAINTENANCE FOUND THE BLOWER CIRCUIT BREAKER POPPED. THE MAIN EQUIPMENT COOLING FAN WAS REMOVED AND REPLACED AND OPERATIONAL CHECKS WERE GOOD.

Part: PRESSURE PANEL — DAMAGED (FUSELAGE FLOOR) · airframe 52,392 hrs · 23,883 cycles

INSPECTION FOUND DAMAGE TO THE PRESSURE DECK WEB AT STA 665 TO 675, RBL 35 TO 45. THE PRESSURE WEB DECK WAS REPAIRED IAW ECRA 5312-01023.

Part: FLOORBEAM — CORRODED (BS 967) · airframe 49,492 hrs · 22,469 cycles

INSPECTION FOUND CABIN FLOORBEAM CORRODED AT BS 967, RBL 46. OLD TOP CHORD REPAIR EXISTS FROM LBL 43 TO RBL 43. FLOORBEAM REPAIRED IAW ECRA 5311-01142. TOP CHORD REPLACED FROM LBL 43 TO R/H EXTREMITY AT FRAME.

Part: SKIN — DENTED (AFT CARGO DR) · airframe 49,492 hrs · 22,469 cycles

INSPECTION FOUND AFT CARGO DOOR SKIN DENTED AT 35" FROM TOP AND 10" FROM FORWARD EDGE. A REPAIR DOUBLER WAS INSTALLED IAW SRM 52-00-01, FIGURE 203.

Part: SKIN · airframe 49,492 hrs · 22,469 cycles

FUSELAGE SKIN CRACKED AT AFT SCREW HOLE LOWER FUSELAGE CENTER LINE STA 380 AT EXHAUST OUTLET. INSTALLED DOUBLER IAW ECRA 5330-02894

Part: FRAME — CRACKED (FUSELAGE) · airframe 49,492 hrs · 22,469 cycles

BS FRAME 616 CRACKED LBL 65 WL 200 I/B CHORD BELOW CABIN FLOOR LINE. INSTALLED REPAIR FILLER AND ANGLE PER ECRA 5311-01141.

Part: FLOOR SUPPORT · airframe 49,492 hrs · 22,469 cycles

CABIN FLOOR R/H DIAGONAL SUPPORT HAS CORROSION ON TOP SHIM AT STA 987-1006. REMOVED AND REPLACED FLOOR SUPPORT PER SRM 51-40-02.

Part: ANGLE — CRACKED (NR 3 FLAP TRACK) · airframe 49,492 hrs · 22,469 cycles

SUPPORT ANGLE CRACKED TWO PLACES FORWARD OF NR 3 FLAP TRACK FAIRING. REPLACED SUPPORT COLLAR ANGLE PER SRM 51-40-02.

Part: CHANNEL · airframe 49,492 hrs · 22,469 cycles

CORROSION ON ANTENNA DOUBLER BETWEEN STA 500-500A, BL0. REMOVED AND REPLACED DOUBLER PER SRM 51-10-02.

Part: WEB · airframe 49,492 hrs · 22,469 cycles

VERTICAL WEB CRACKED AT STA 1016 LBL 4. INSTALLED WEB AT STA 1016, LBL4 PER SRM 51-40-02.

Part: STIFFENER — WORN (NR 3 FLAP TRACK) · airframe 49,492 hrs · 22,469 cycles

HOCKEY STICK WORN IB EDGE OF NR 3 FLAP TRACK FAIRING. REPLACED HOCKEY STICK IB EDGE OF NR 3 FLAP TRACK FAIRING PER SRM 51-40-02.

Part: STRINGER · airframe 49,492 hrs · 22,469 cycles

CRACK IN STRINGER 16R FORWARD OF LIGHT AT APPROXIMATELY 500B. INSTALLED NEW STRINGER AND DOUBLER PER SRM 53-00-03.

Part: BULKHEAD — CORRODED (FUSELAGE) · airframe 49,492 hrs · 22,469 cycles

AFT PRESSURE BULKHEAD SKIN AT STA. 1016 UNDER RT STIFFENER CORRODED AT BL0. INSTALLED DOUBLER PER EA 5310-04045.

Part: FLOOR SUPPORT — CORRODED (FUSELAGE) · airframe 49,492 hrs · 22,469 cycles

INSPECTION FOUND FLOOR SUPPORT CORRODED AT STA 294-312, LBL 10. THE FLOOR SUPPORT WAS REMOVED AND REPLACED IAW SRM 51-10-02.

Part: FLOORBEAM — CORRODED (STA 967) · airframe 49,492 hrs · 22,469 cycles

INSPECTION FOUND CABIN FLOORBEAM CORRODED AT STA 967, LBL 6 TO RBL 6. A STRAP DOUBLER WAS INSTALLED IAW SRM 53-00-51.

Part: FLOOR SUPPORT — CORRODED (FUSELAGE) · airframe 49,492 hrs · 22,469 cycles

INSPECTION FOUND FLOOR SUPPORT CORRODED AT STA 328-344, LBL 11. THE FLOOR SUPPORT WAS REMOVED AND REPLACED IAW SRM 51-10-02.

Part: CONTROL PANEL — FAULTY (COCKPIT) · airframe 47,368 hrs · 21,480 cycles

A CARGO FIRE WARNING LIGHT ILLUMINATED AT FL 330 WHILE EN ROUTE FROM PHX TO IAH. BOTH FIRE BOTTLES WERE DISCHARGED IAW QRH PROCEDURES AND THE FLIGHT WAS DIVERTED TO AUS WHERE IT LANDED WITHOUT INCIDENT. MAINTENANCE FOUND NO EVIDENCE OF FIRE. TROUBLESHOOTING FOUND THE COCKPIT FIRE SUPPRESSION PANEL AT FAULT. THE PANEL WAS REMOVED AND REPLACED IAW MM 26-23-10. IN ADDITION, BOTH FIRE BOTTLES WERE REMOVED AND REPLACED. SYSTEM FUNCTIONAL TESTS CHECKED GOOD IAW MM 26-23-10.

Part: SEAT TRACK — CORRODED (BS 927)

INSPECTION FOUND LT INBOARD SEAT TRACK CORRODED AT STA 927, LBL 25. THE SEAT TRACK WAS REMOVED AND A NEW TRACK WAS INSTALLED IAW SRM 53-00-52.

Part: FLOORBEAM — CORRODED (BS 328)

INSPECTION FOUND FLOORBEAM CORRODED AT BS 328, LBL 50 TO RBL 50. THE CORRODED AREA WAS REMOVED AND AN UPPER CHORD REPAIR SPLICE WAS INSTALLED IAW SRM 53-10-51.

Part: FLOORBEAM — CORRODED (BS 986.5)

INSPECTION FOUND FLOORBEAM CORRODED AT STA 986.5. REPAIRED IAW ECRA 5310-03450.

Part: SEAT TRACK — CORRODED (BS 915-937)

INSPECTION FOUND CORROSION ON RT INBOARD SEAT TRACK BETWEEN STA 915 AND 937. THE SEAT TRACK WAS REPAIRED IAW SRM 53-00-52.

Part: FLT CONTL COMP — INOPERATIVE (NR 1/2)

THE AUTOPILOT DISENGAGED FOLLOWED BY ILLUMINATION OF STAB OUT OF TRIM LIGHT, SPEED TRIM FAIL LIGHT, MACH TRIM FAIL LIGHT, OFF FLAGS IN CAPTAIN'S AIRSPEED, ALTITUDE AND VVI INDICATORS AND CAPTAIN'S FLIGHT DIRECTOR V-BARS VIBRATING DURING CRUISE FLIGHT. TROUBLESHOOTING BY MAINTENANCE FOUND BOTH FLIGHT CONTROL COMPUTERS AT FAULT. BOTH THE NR 1 AND NR 2 FLIGHT CONTROL COMPUTERS WERE REMOVED AND REPLACED, BITE TEST WAS GOOD. LAND VERIFY TEST WAS PERFORMED IAW MM 22-03-00 AND NO FAULTS WERE NOTED.

Part: COUPLER — FAILED (YAW DAMPER)

CLE - FLT 0288 - THE YAW DAMPER STARTED KICKING RUDDER BACK AND FORTH AT FL330. THE KICKING STOPPED WHEN YAW DAMPER WAS TURNED OFF. SHORTLY AFTER TURNING OFF YAW DAMPER, ACFT MADE 2 UNCOMMANDED ROLLS TO THE RIGHT WITH 'B' AUTOPILOT ENGAGED IN 'L-NAV, V-NAV' MODE. ACFT STABILIZED AFTER DESCENDING TO FL250. YAW DAMPER COUPLER REMOVED AND REPLACED. YAW DAMPER SYS TEST PERFORMED IAW MM 22-12-00 AND SYS CHECKED NORMAL. DFCS BITE TESTS PERFORMED AND ALL PASSED. A DFCS RIG CHK OF FLT CONTROLS PERFORMED AND ALL WERE WITHIN LIMITS. ALL SENSOR VALUES CHECKED AND FOUND WITHIN LIMITS. FLT CONTROL SURFACES ALL CHKD GOOD; INDICATIONS NORMAL WITH RESPECT TO CONTROL INPUT IN COCKPIT. (X)