N14336

Part: WINDOW — FAULTY (COCKPIT) · airframe 65,658 hrs · 29,405 cycles

CAPT FOUND WINDOW ARCING AND SMOKING AT POWER ATTACH POINT, TURNED OFF POWER SWITCH, POWER AND ARCING STOPPED. REMOVED AND REPLACED CAPT''S L1 WINDOW PER M/M 56-11-11. OPS CHECKS GOOD.

Part: DOOR FRAME — DAMAGED (FUSELAGE) · airframe 65,657 hrs · 29,404 cycles

FLOORBOARD ATTACH ANGLE AT RIGHT SIDEWALL STATION 486 NEEDS TO BE CUT AND DISPLACED TO FACILITATE REPAIR OF FORWARD CARGO DOOR AFT FRAME. CUT ANGLE TO FORM FRAME MAT ID 7075 T6 .063" PER SRM B737 53-30-13. FABRICATED REPAIR ANGLE PER SRM B737 53-30-13. ALODINED AND PRIMED PER SRM 51-20-01. INSTALLED ANGLE PER SRM 53-30-13.

Part: FASTENER — LOOSE (CABIN FLOOR) · airframe 65,657 hrs · 29,404 cycles

TWO EACH FASTENERS FOUND UNSECURED ON FORWARD END OF FLOOR SUPPORT INTERCOSTAL BETWEEN STATIONS 328 - 344 LBL-12. ACCOMPLISHED FLOORBEAM REPAIR PER B737 SRM 53-10-51 AT STATION 328 AT RBL-5 TO LBL-25.

Part: STRAP — CRACKED (FUSELAGE) · airframe 65,657 hrs · 29,404 cycles

STRAP ON BOTTOM OF FRAME CRACKED AT STATION 328 BL-0. FABRICATED REPAIR PARTS AND LOCATED HOLES PER SRM 53-10-51, ALODINED AND PRIMED REPAIR PARTS PER SRM 51-20-01. INSTALLED REPAIR PARTS PER SRM 53-10-51 AND SRM 51-40-02.

Part: ANGLE — CORRODED (FUSELAGE) · airframe 65,657 hrs · 29,404 cycles

AFT CARGO BAY RT SIDE TRANSITION ANGLE CORRODED FROM STA 787 TO 807. REMOVED AND REPLACED TRANSITION ANGLE STA 787 TO 807 IAW B737 SRM 51-40-02.

Part: ANGLE — CORRODED (FUSELAGE) · airframe 65,657 hrs · 29,404 cycles

AFT CARGO BAY RT SIDE TRANSITION ANGLE CORRODED AND DAMAGED FROM STA 747 TO 787. REMOVED DAMAGED SECTION OF TRANSITION ANGLE IAW B737 SRM 51-40- 02 MATERIAL ID EXTRUSION BAC149637X707576 IC 0648981 IAW B737 SRM 53-60-53. FABRICATED NEW ANGLE IAW B737 SRM 53-60-53. ALODINED AND PRIMED ANGLE IAW B737 SRM 51-20-01 INSTALLED ANGLE IAW B737 SRM 51-40-02.

Part: FRAME — DENTED (FRAME) · airframe 65,657 hrs · 29,404 cycles

AFT CARGO BAY FRAME DENTED AT STA 767, S-25R. REPAIRED FRAME AT STA 767 RT STRINGER 25R IAW B737 SRM 51-70-11.

Part: DOOR FRAME — CRACKED (FUSELAGE) · airframe 65,657 hrs · 29,404 cycles

FWD CARGO DOOR CUTOUT AFT FRAME IS CRACKED AT STRINGER 24 AT TOP OF FOOT PRINT FOR DOOR STOP, FWD SIDE OF FRAME. REMOVED CRACKED FRAME. DRILLED UP NEW FRAME AND INSTALLED IAW SRM 51-40-02.

Part: SKIN — DELAMINATED (LE SLAT) · airframe 65,657 hrs · 29,404 cycles

RT WING NR 5 SLAT T/E WEDGE NOT SEALED AND NEEDS INSPECTION FOR DELAM. FOUND TO BE DELAMINATED, REMOVED AND REPAIRED DELAMINATED AREA, INSTALLED UPPER SKIN AND DOUBLER ON NR 5 SLAT T/E RT WING PER SRM 51-70-10 AND APPLIED PROTECTIVE FINISH PER CAL SPEC 5100S00128 REV Q AND SEALED WEDGE PER SRM 51-70-10.

Part: INTERCOSTAL — CRACKED (FUSELAGE) · airframe 65,657 hrs · 29,404 cycles

AFT BAG PIT TRANSITION INTERCOSTAL (U CHANNEL) RT STA 767-787 IS DAMAGED ON UPPER LEG. REMOVED DAMAGED INTERCOSTAL IAW B737 SRM 51-40-02 MATERIAL ID, 7075-T6, .050", IC 0647302 IAW B737 SRM 53-60-04. FABRICATED INTERCOSTAL IAW B737 SRM 53-60-04. ALODINED AND PRIMED INTERCOSTAL IAW B737 SRM 51-20-01. INSTALLED INTERCOSTAL IAW B737 SRM 51-40-02.

Part: FRAME — CORRODED (BS 227 S29L) · airframe 59,760 hrs · 26,779 cycles

INSPECTION FOUND FRAME IN FORWARD EQUIPMENT BAY CORRODED AT STA 227.8 BETWEEN LBL 8 AND RBL 8, S29L. A REPAIR WAS INSTALLED IAW ECRA 5311-01273.

Part: STRINGER — CORRODED (FUSELAGE) · airframe 59,760 hrs · 26,779 cycles

FOUND CORRODED STRINGER 24R, STA 986.5 IN AFT EQUIPMENT BAY BILGE FWD END. REPAIRED IAW SRM 51-40-02.

Part: MOUNT — CORRODED (R1 DOOR) · airframe 59,760 hrs · 26,779 cycles

CORRODED ROD MOUNT AT R1 DOOR LOWER GATE LUGS. REPAIRED IAW SRM 51-40-02.

Part: FLOOR SUPPORT — CORRODED (FUSELAGE) · airframe 59,760 hrs · 26,779 cycles

ABB FLOOR SUPPORT AT STA 795 TO STA 847 CORRODED. REPAIRED IAW SRM 51-10-02.

Part: FITTING — CORRODED (R1 DOOR) · airframe 59,760 hrs · 26,779 cycles

R1 DOOR UPPER GATE LUGS CORRODED. REPAIRED IAW SRM 51-40-02.

Part: SHEAR TIE — CORRODED (FUSELAGE) · airframe 59,760 hrs · 26,779 cycles

AFT EQUIP BAY BILGE FRAME & SHEAR TIE CORRODED AT STA 967 S - 27L. REPAIRED IAW 53-00-07.

Part: BRACKET — CRACKED (FUSELAGE) · airframe 59,760 hrs · 26,779 cycles

CRACKED BRACKET AT STRINGER S8R STA 332. REPLACED WEB IAW EA 5363-01014A, PAR 3.3, CAL DRWG 65C33288.

Part: SHEAR TIE — CORRODED (FUSELAGE) · airframe 59,760 hrs · 26,779 cycles

CORRODED FRAME SHEAR TIE AT STA 967 BETWEEN S-22L AND S-23L. REPLACED SHEAR TIE IAW SRM 51-40-02.

Part: DRAIN MAST — CORRODED (FUSELAGE) · airframe 59,760 hrs · 26,779 cycles

CORRODED LAVATORY DRAIN MAST AT STA 986.5-1006, STR 24L-25L. REPLACED MAST PER SRM 51-40-02.

Part: STRINGER — CORRODED (BS 967 S25L) · airframe 59,760 hrs · 26,779 cycles

CORRODED STRINGER IN AFT BAY BILGE AT STA 967, STR 25L. REPAIRED IAW SRM 53-00-03, 51-40-02, 51-10-02.

Part: FRAME — CORRODED (BS 967 S24-26L) · airframe 59,760 hrs · 26,779 cycles

CORRODED FRAME ATTACH ANGLE IN AFT EQUIPMENT BAY BILGE AT STA 967M, S24L-S26L. REPLACED FRAME IAW DRAWING 65-46563 AND SRM 51-40-02.

Part: SEAT TRACK — CORRODED (BS 259-294) · airframe 59,760 hrs · 26,779 cycles

CORRODED SEAT TRACK STA 259.5 TO 294.5, RBL 44. REPLACED SEAT TRACK IAW SRM 51-10-2.

Part: PRESSURE PANEL — CRACKED (FUSELAGE) · airframe 52,296 hrs · 23,486 cycles

INSPECTION FOUND A 1.5 INCH CRACK IN RIGHT PRESSURE DECK AT STA 664. REPAIRED PRESSURE WEB DECK IAW SRM 53-60-51, FIGURE 203 AND ECRA 5312-01024.

Part: STIFFENER — CRACKED (WS 453) · airframe 49,436 hrs · 22,118 cycles

INSPECTION FOUND A 7" CRACK IN STIFFENER AT I/B SIDE OF WEB, L/H WING STA 453. REPAIRED IAW ECRA 5713-01000.

Part: SKIN — PUNCTURED (AFT CARGO DR) · airframe 49,436 hrs · 22,118 cycles

INSPECTION FOUND A SMALL HOLE AT UPPER AFT CORNER IN OUTER SKIN OF AFT CARGO DOOR. A REPAIR WAS INSTALLED IAW SRM 52-00-01.

Part: KEELBEAM — CORRODED (FUSELAGE) · airframe 49,436 hrs · 22,118 cycles

INSPECTION FOUND LT MLG WHEEL WELL KEEL BEAM LOWER CHORD CORRODED AT STA 707-727. A REPAIR WAS INSTALLED IAW ECRA 5310-03740.

Part: STRINGER — CRACKED (STA 500C) · airframe 49,436 hrs · 22,118 cycles

INSPECTION FOUND A 1/2" CRACK IN STRINGER 16L AT STA 500C. A NEW STRINGER SPLICE WAS INSTALLED IAW SRM 53-00-03.

Part: WEB — CRACKED (STA 578) · airframe 49,436 hrs · 22,118 cycles

INSPECTION FOUND A 3" CRACK IN MAIN CABIN FLOOR SUPPORT WEB FORWARD OF STA 578 AT STRINGER 17R. THE FLOOR SUPPORT WEB WAS REPLACED IAW SRM 51-40-2.

Part: STRINGER — CRACKED (STA 907) · airframe 49,436 hrs · 22,118 cycles

INSPECTION FOUND A 1" CRACK IN STRINGER SPLICE 4R AT STA 907. A NEW STRINGER SPLICE WAS INSTALLED IAW SRM 51-10-02.

Part: SEAT TRACK — CORRODED (STA 907-927) · airframe 49,436 hrs · 22,118 cycles

INSPECTION FOUND R/H O/B SEAT TRACK CORRODED FROM STA 907-927. REPLACED SEAT TRACK IAW SRM 53-00-52.

Part: STRINGER — CORRODED (STA 1007) · airframe 49,436 hrs · 22,118 cycles

INSPECTION FOUND STRINGER S29R CORRODED AT STA 1007. THE STRINGER WAS REMOVED AND REPLACED IAW SRM 51-10-02.

Part: ANGLE — CRACKED (STA 1106) · airframe 49,436 hrs · 22,118 cycles

INSPECTION FOUND A 3" CRACK IN L-ANGLE AT L/H SIDE OF FUSELAGE STA 1106 TO RUDDER JUST BELOW VERTICAL STABILIZER. THE ANGLE WAS REMOVED AND A NEW ANGLE WAS INSTALLED IAW ECRA 5380-01013.

Part: SEAT TRACK — CORRODED (STA 380-420) · airframe 49,436 hrs · 22,118 cycles

INSPECTION FOUND CABIN L/H I/B SEAT TRACK CORRODED FROM STA 380-420. THE SEAT TRACK WAS REPLACED IAW SRM 53-30-52.

Part: SUPPORT · airframe 49,436 hrs · 22,118 cycles

FLOOR SUPPORT IB FWD CRACKED AT STA 540 LH ID TRACK. REPLACED FLOOR SUPPORT IAW SRM 51-40-02.

Part: FLOOR SUPPORT · airframe 49,436 hrs · 22,118 cycles

MAIN CABIN FLOOR SUPPORT HAS CORROSION BETWEEN 312-328 AT LBL 11. REMOVED AND REPLACED FLOOR SUPPORT PER SRM 51-10-02.

Part: SKIN — CRACKED (RT PYLON) · airframe 44,675 hrs · 20,144 cycles

INSPECTION FOUND A 1 INCH CRACK IN RT PYLON SIDEWALL INNER SKIN AT ACCESS NR 5824R. A DOUBLER WAS INSTALLED IAW ECRA 5430-01204.

Part: SKIN — CRACKED (FUSELAGE) · airframe 44,675 hrs · 20,144 cycles

INSPECTION FOUND A 1 INCH CRACK IN FUSELAGE LOWER LOBE EXTERNAL SKIN AT E&E EQUIPMENT COOLING EXHAUST AFT END, STA 360. REPAIRED IAW ECRA 5330-02894.

Part: SKIN — CRACKED (NR 6 SLAT) · airframe 44,675 hrs · 20,144 cycles

INSPECTION FOUND SEVERAL .25 INCH CRACKS IN NR 6 L/E SLAT LOWER SIDE OF SKIN AT HYDRAULIC ACTUATOR AREA. THE SLAT WAS REPAIRED IAW ECRA 5750-02586 AND BOEING DRAWING NR 65C30133.

Part: CONNECTOR — BROKEN (ROW 17)

INSPECTION FOUND EMERGENCY LIGHT AT SEAT 17ABC INOPERATIVE. MAINTENANCE FOUND CONNECTOR BETWEEN EMERGENCY LIGHT FIXTURE AND SEAT HARNESS BROKEN ON HARNESS SIDE. THE SEAT HARNESS ASSEMBLY WAS REMOVED AND REPLACED AND OPERATION CHECKED GOOD.

Part: FRAME — CORRODED (BS 847)

INSPECTION FOUND BELT FRAME CORRODED AT STA 847 BETWEEN STRINGERS 25 AND 26R. REPAIRED IAW SRM 53-00-07, PAGE 203 AND ECRA 5310-03693.

Part: TIE DOWN — CORRODED (BS 794-847)

INSPECTION FOUND RT TIE DOWN STRIP CORRODED AT STA 794.3 TO 847. THE RT CARGO TRACK WAS CUT AND SPLICED IAW SRM 53-00-53, FIGURE 202.

Part: FLOORBEAM — CORRODED (BS 947)

INSPECTION FOUND FLOORBEAM CORRODED AROUND NUT PLATE HOLE AT BS 947 BETWEEN RBL 12 AND LBL 12. THE FLOORBEAM WAS REPAIRED IAW SRM 51-00-51.

Part: RATE GYRO — FAILED (YAW DAMPER)

AIRCRAFT WAS VERY ERRATIC IN YAW ON TAKEOFF. ANY ROLL INPUT AT ALL CAUSED A LARGE YAW FOLLOWED BY A REVERSE IN YAW AND LARGE ROLL MOMENTS. THE PROBLEM CONTINUED THROUGHOUT FLIGHT WITH YAW DAMP ON OR OFF. THE REMAINDER OF FLIGHT WAS OPERATED AT .72 MACH. THE YAW DAMPER COUPLER FAILED DURING YAW DAMPER SYSTEM TEST PER MM 22-12-00. THE COUPLER WAS REMOVED AND REPLACED. IN ADDITION, THE RUDDER PCU WAS REMOVED AND REPLACED. OPERATIONAL CHECKS OF BOTH THE COUPLER AND RUDDER PCU WERE GOOD. *S/D* VENDOR TEARDOWN OF THE YAW DAMPER COUPLER FOUND THE RATE GYRO FAILED. NO TROUBLE WAS FOUND WITH THE RUDDER PCU.

Part: PROX SWITCH — JAMMED (LE FLAPS)

DURING LANDING, FLAP EXTENSION LE FLAPS TRANSIT LIGHT WOULD NOT EXTINGUISH. INSPECTION FOUND A SCREW BETWEEN TARGET AND PROXIMITY SWITCH. REMOVED SCREW AND OPERATED FLAPS THROUGH FULL UP AND DOWN. OPS CHECK GOOD.

Part: COMPUTER — MALFUNCTIONED (E/E COMPT)

THE AIRCRAFT HAD A 12 DEGREE UNCOMMANDED ROLL TO THE LEFT WITH AUTOPILOT-B ENGAGED WHILE ON APPROACH. THE FIRST OFFICER DISCONNECTED B-AUTOPILOT AND THERE WERE NO FURTHER PROBLEMS. THE FLIGHT CONTROL COMPUTER WAS REPLACED AS A PRECAUTIONARY MEASURE. A LAND VERIFY TEST WAS PERFORMED IAW MM 22-03-00. *S/D* SHOP FINDINGS REVEALED NO TROUBLE FOUND WITH THE FLIGHT CONTROL COMPUTER. IN ADDITION, A 90 DAY REVIEW OF ATA 22 AND 27 SINCE THIS EVENT, REVEALED NO ADDITIONAL REPORTS OF AIRCRAFT UNCOMMANDED ROLL.

Part: LIGHT — INOPERATIVE (CABIN)

HOU - THE OVERHEAD EMERGENCY LIGHT FORWARD OF AFT RIGHT GALLEY WAS FOUND INOPERATIVE. THE EMERGENCY LIGHT WAS REPLACED AND OPERATION CHECKED GOOD. (M)

Part: CIRCUIT BREAKER — TRIPPED (NLG IND SYSTEM)

CLE - FLT 1108 - WHEN LANDING GEAR WAS EXTENDED ON APPROACH TO CLE, THE NOSE GEAR INDICATED UNSAFE AND THE MAIN GEAR HAD NO INDICATION. CHECK LIST PROCEDURES WERE FOLLOWED AND DURING A TOWER FLYBY, THE AIR/GROUND RELAY CIRCUIT BREAKER WAS OBSERVED TO BE TRIPPED. THE CIRCUIT BREAKER WAS RESET AND ALL INDICATIONS WERE NORMAL. THE AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE PINNED THE GEAR AND CYCLED THE GEAR HANDLE SEVERAL TIMES WITH NORMAL INDICATIONS. THE CIRCUIT BREAKER REMAINED SET. IN ADDITION, THE E-11 SHELF WAS INSPECTED AND NO DISCREPANCIES WERE FOUND. (X)