N525US

Part: SKIN — DAMAGED (BS 1518) · airframe 74,729 hrs · 32,383 cycles

LIGHTNING STRIKE DAMAGE AT FS 1518, STRINGER 1. REMOVED DAMAGE IAW RI 518136-14, IN CONJUNCTION WITH SRM 53-00-01, REPAIR 2-431063. DAMAGE REMOVED IS .75" X 1.2". HFEC INSPECTION CUT-OUT AND BHEC HOLES IAW SRM 53-00-01, FIG 201- NO CRACKS. FABRICATED REPAIR PARTS IAW SRM 53-00-01. REPAIR 2-431063.

Part: OVEN — SMOKE (GALLEY) · airframe 74,636 hrs · 32,317 cycles

AT CRUISE THE F/A REPORTED SMOKE FROM F/C OVENS. THEY TURNED OVENS OFF AND SMOKE STOP IAW QRH. MX AND DISPATCH ADVISED TO CONTINUE FLIGHT. ONCE ON GROUND MX RAN OVENS FOR 20 MINUTES AND NO SMOKE OF FUMES.

Part: LIGHT — INOPERATIVE (CABIN) · airframe 72,499 hrs · 30,903 cycles

EMERGENCY LIGHTS INOPERATIVE AT ROW 23DEF, 27DEF, 33DEF. R & R FLOOR MOUNTED EMERGENCY LIGHT SOCKETS. OPS CHECKED GOOD.

Part: POWER SUPPLY — INOPERATIVE (EMERGENCY LIGHT) · airframe 72,274 hrs · 30,734 cycles

ON SERVICE CHECK, FOUND FIRST CLASS EMERGENCY TRACK LIGHTING INOPERATIVE. TROUBLESHOT IAW SYS SCHEM MNL 35-51, REPLACED M9001 POWER SUPPLY, OPS CHECKED OK.

Part: CHARGER — INOPERATIVE (EMERGENCY LIGHT) · airframe 72,118 hrs · 30,640 cycles

FIRST CLASS EMERGENCY FLOOR LIGHTING COMES ON FOR 10 SECONDS THEN GOES OUT. EMERGENCY LIGHTING BATTERY PACK NOT HOLDING CHARGE. REMOVED AND REPLACED EMERGENCY LIGHTS BATTERY PACK AND CHARGER LOCATED IN FIRST CLASS IAW AMM 33-51. OPS CHECK NORMAL.

Part: CABLE — OUT OF RIG (R1 DOOR) · airframe 72,092 hrs · 30,629 cycles

EMERGENCY POWER ACTUATION MECHANISM CABLE CONDITION OUT-OF-RIG. R1 CABIN DOOR ADJUSTED CABLE REF AMM 52-11-32.

Part: BATTERY PACK — INOPERATIVE (EMERGENCY LIGHT) · airframe 71,719 hrs · 30,446 cycles

DURING AN EMERGENCY LIGHTS TEST, MAINTENANCE DISCOVERED EMERGENCY LIGHTS IN ZONE 1 AND 4 FAILED. REMOVED AND REPLACED BATTERY PACKS M730 AND M736 AND POWER SUPPLY M9004. OPS CHECK GOOD.

Part: POWER SUPPLY — INOPERATIVE (CABIN) · airframe 3,645 hrs · 2,133 cycles

DURING LINE CHECK MAINTENANCE FOUND AFT CABIN EMERGENCY TRACK LIGHT INOP. MAINTENANCE REPLACED BATTERY POWER SUPPLY PER AMM 33-51. OPERATION OF LIGHTS NOW CHECK OK.

Part: BATTERY — DISCHARGED (CABIN) · airframe 3,496 hrs · 2,044 cycles

DURING LINE CHECK MTC HAS TO REPLACED EMERGENCY LIGHT POWER SUPPLY AND BATTERY FROM DOOR L2. MAINTENANCE INSTALLED SERVICEABLE POWER SUPPLY AND BATTERY PER AMM 33-51-07. OPERATION NOW CHECKS OK.

Part: MODULE — INOPERATIVE (CABIN) · airframe 3,470 hrs · 2,035 cycles

DURING LINE CHECK MAINTENANCE FOUND EMERGENCY LIGHT PATH AT SEAT 35 INOP. MAINTENANCE REPLACED LAMP MODULE PER IAW, OPERATION OF LIGHT NOW CHECKS OK.

Part: MODULE — INOPERATIVE (CABIN) · airframe 3,470 hrs · 2,035 cycles

DURING LINE CHECK MAINTENANCE FOUND EMERGENCY LIGHT PATH AT SEAT 30 INOP. MAINTENANCE REPLACED LAMP MODULE PER IAW OPERATION OF LIGHT NOW CHECKS OK.

Part: SELECTOR VALVE — DEFECTIVE (LANDING GEAR) · airframe 2,935 hrs · 1,719 cycles

AFTER TAKEOFF GEAR HANDLE PLACED IN UP POSITION GEAR DOORS CLOSED. HANDLE MOVED TO OFF AND GEAR DOORS OPENED. MOVED GEAR HANDLE BACK TO UP AND GEAR DOORS CLOSED. GEAR HANDLE STIFF FROM UP POSITION TO OFF. NORMAL OPS FROM OFF TO DOWN. REPLACED LANDING GEAR SELECTOR VALVE PER B757-A-32-31-02-401. JACKED AND CYCLED GEAR WITH HANDLE IN OFF POSITION. DOORS CHECK GOOD.

Part: POWER SUPPLY — INOPERATIVE (CABIN) · airframe 68,919 hrs · 28,870 cycles

RIGHT EMERGENCY AISLE LIGHT AT ROW 17 INOPERATIVE. REPLACED EMERGENCY LIGHT POWER SUPPLY M733. OPS CHECK GOOD.

Part: SKIN — DENTED (CARGO DOOR) · airframe 67,091 hrs · 27,748 cycles

DURING M-CHECK, FOUND DENT IN AFT CARGO DOOR SKIN 17 INCHES FROM FWD EDGE AND 3 INCHES FROM LOWER EDGE. REPAIRED IAW SRM 52-30-01, PAGE 201, REPAIR 4.

Part: FLOOR PANEL — CORRODED (BS 1717) · corrosion level 2 · airframe 67,091 hrs · 27,748 cycles

DURING M-CHECK FOUND CORROSION ON MAIN CABIN DECK PLATE REPAIR DOUBLER AT BS 1717 BETWEEN BL 0 TO LBL 9. REPAIRED IAW SRM 51-40-02 PAGE 31 FIGURE 8, SRM 53-60-51, SRM 53-60-51.

Part: STRINGER FITTING — CORRODED (BS 1720) · corrosion level 2 · airframe 67,091 hrs · 27,748 cycles

DURING M-CHECK, FOUND CORROSION ON STRINGER END FITTING AT BS 1720 LBL 52. REPAIRED IAW SRM 51-40-02 AND ERA 48483-14.

Part: FLOOR SUPPORT — CORRODED (BS 371) · corrosion level 2 · airframe 67,091 hrs · 27,748 cycles

DURING M-CHECK FOUND CORROSION ON FLOOR SUPPORT AT BS 371 RBL 13. REPAIRED IAW SRM 51-40-05, PAGE 3.

Part: SKIN — DENTED (BS 317 S19L) · airframe 67,091 hrs · 27,748 cycles

DURING M-CHECK FOUND FUSELAGE SKIN DENTED AND GOUGED AT BS 317 1 INCH ABOVE STRINGER 19L. REPAIRED IAW SRM 53-00-01 FIG 201, SRM 51-40-02 PAGE 1-5.

Part: FLOORBEAM — CORRODED (BS 365) · corrosion level 2 · airframe 67,091 hrs · 27,748 cycles

DURING M-CHECK FOUND CORROSION ON FLOORBEAM STRUCTURE AT BS 365 BL0. REPAIRED IAW SRM 53-00-51, FIG 101.

Part: FLOOR SUPPORT — CORRODED (BS 377) · corrosion level 2 · airframe 67,091 hrs · 27,748 cycles

DURING M-CHECK, FOUND CORROSION ON FLOOR SUPPORT CHANNEL AT BS 377.7, BL0, WL 208. REPAIRED IAW SRM 51-40-05.

Part: FLOOR SUPPORT — CORRODED (BS 345-348) · corrosion level 2 · airframe 67,091 hrs · 27,748 cycles

DURING M-CHECK, FOUND CORROSION ON FLOOR SUPPORT STRUCTURE AT BS 345 BS 348 BL0. REPAIRED IAW SRM 51-40-05, PAGE 3.

Part: BATTERY PACK — INOPERATIVE (EMERGENCY LIGHTS) · airframe 66,069 hrs · 27,352 cycles

DURING AN OVERNIGHT LINE CHECK, THE RIGHT AFT CABIN DOOR EMERGENCY EXIT LIGHT WAS FOUND TO BE INOPERATIVE. MAINTENANCE FOUND THE ASSOCIATED BATTERY PACK TO BE LOOSE AND DISCHARGED. THE BATTERY PACK WAS REPLACED AND THE SYSTEM OPERATED NORMALLY WITH THE NEW BATTERY PACK.

Part: ISOLATION VALVE — MALFUNCTIONED (THRUST REVERSER) · airframe 57,188 hrs · 23,982 cycles

DURING THE TAKEOFF ROLL, THE LT ENGINE THRUST REVERSER AMBER LIGHT ILLUMINATED ALONG WITH A -L REV ISLN VAL- STATUS MESSAGE. THE TAKEOFF WAS ABORTED AT 110KTS AND THE AIRCRAFT RETURNED TO THE GATE. MAINTENANCE REPLACED THE LEFT REVERSER ISOLATION VALVE, AND THE LEFT REVERSER LOCKING ACTUATOR. Â

Part: WIRE — BROKEN (CABIN) · airframe 52,555 hrs · 22,128 cycles

FIRST CLASS EMERGENCY FLOOR LIGHTS WILL NOT ILLUMINATE. FOUND BROKEN WIRE IN TRACK LIGHTING AT ROW NR 1. REPAIRED WIRE. OPERATIONAL CHECK GOOD.

Part: BATTERY PACK · airframe 46,387 hrs · 19,705 cycles

EMERGENCY LIGHT BATTERY PACK M737 FAILED DEEP CYCLE BATTERY TEST. MAINTENANCE REPLACED THE BATTERY PACK. OPERAITONAL CHECK NORMAL.

Part: POWER SUPPLY — INOPERATIVE (CABIN) · airframe 45,457 hrs · 19,324 cycles

DURING LINE MAINTENANCE CHECK, FOUND ALL EMERGENCY LIGHTS EXCEPT FLOOR LIGHTS AFT OF DOOR 3R INOPERATIVE. MAINTENANCE REPLACED THE M736 POWER SUPPLY AND BATTERY PACK. OPERATIONAL CHECK GOOD.

Part: FLOOR BEAM — CORRODED (FS 365)

DURING P-CHECK, FOUND CORROSION ON THE BS 365 FLOOR BEAM UPPER CHORD FROM BL ZERO - RBL 52. REPAIRED CHORD (P/N 141N5112) PER EA 55-074949.

Part: PMA — MALFUNCTIONED (NR 1 ENGINE)

DURING CLIMB, THE NR 1 ENGINE OPERATING PARAMETERS BECAME ERRATIC. AIRCRAFT RETURNED TO SFO AND LANDED WITHOUT FURTHER EVENT. GROUND MAINTENANCE FOUND THE PERMANENT MAGNET ALTERNATOR HAD FAILED DUE TO A LOOSE PMA ROTOR SHAFT IN THE GEAR BOX. MAIN GEAR BOX AND PMA WERE REPLACED. AIRCRAFT WAS GROUND RUN AND FOUND SERVICEABLE.

Part: TURBINE GOVERNOR — FAILED (NR 1 ENGINE)

DURING CLIMB, THE NR 1 ENGINE EXPERIENCED AN UNCOMMANDED SHUTDOWN. AIRCRAFT RETURNED TO SFO AND LANDED WITHOUT FURTHER INCIDENT. REPLACED THE NR 1 ENGINE PERMANENT MAGNET ALTERNATOR STATOR AND ROTOR, CHECKED OK.

Part: WEB — WORN (NAC STA 102)

DURING PERIODIC CHECK, THE NR 2 ENGINE PYLON FAN COWL SUPPORT BEAM WEB WAS FOUND WORN AT APPROXIMATELY NAC RBL 11, NAC STA 102. INSTALLED REPAIR DOUBLER PER SRM 51-70-13, FIG.1 AND NWA EA 55-93697.

Part: SKIN — DAMAGED (FS 1401-1430)

DURING PERIODIC CHECK, THE FUSELAGE BELLY SKIN FROM FS 1401 TO 1430, STR 27L TO 29L WAS FOUND WITH NICKS AND SCRATCHES CAUSED BY CARGO NETS. INSTALLED REPAIR DOUBLER PER NWA EA 55-96317.

Part: SKIN — DAMAGED (FS 1300-1400)

DURING PERIODIC CHECK, THE FUSELAGE BELLY SKIN FROM FS 1300 - 1400, STR 26L TO 26R WAS FOUND WITH NICKS AND SCRATCHES CAUSED BY CARGO NETS. INSTALLED REPAIR DOUBLER PER NWA EA 55-093699.