N720DA

Part: HYD LINE — BROKEN (RT MLG)

AFTER TAKEOFF, COULD NOT RETRACT LANDING GEAR ALSO GOT TRUCK LIGHT ON, PERFORMED POM PROCEDURES AND RETUNED TO AIRPORT. MTC FOUND HYD FUSE SET AND FLEX LINE ON RIGHT GEAR TO RIGID LINE ON BOGGIE BEAM BROKEN. REPLACED LINE AND RESET FUSE, LEAK CHECKS OK. A/C DEPARTED WITHOUT FURTHER INCIDENT.

Part: POWER SUPPLY — INOPERATIVE (CABIN)

EMERGENCY EXTERIOR LIGHTS INOP LEFT FWD. REPLACED BATTERY AND PWR SUPPLY, SYS NOW CKS OK.

Part: GEARBOX — FAILED (NR 1 ENGINE)

BEGINNING DESCENT, -A- SYSTEM PRESSURE 0, QUANTITY REMAINED. IDG LOW OIL PRESSURE LIGHT ON, GEN DISCONNECTED. DISCONNECTED IDG. ON APPROACH NR 1 OIL QTY DROPPED, QTY BELOW 10. NR 1 ENG SHUTDOWN. AT GATE NR 1 ENG OIL QTY 0. REPLACED NR 1 ENG MAIN GEARBOX ON ROUTINE CHECK. PERFORMED TESTS 1-3-9-16 PER PFHB, ALL TEST OK.

Part: SKIN — CORRODED (BS 759)

THE FUSELAGE SKIN AT FS 759 AND STRINGER 38 WAS FOUND CRACKED DUE TO CORROSION. THE CORRODED AREA WAS TRIMMED OUT AND AN EXTERNAL ALUMINUM DOUBLER WAS INSTALLED PER ER/A 364366-14, REV A.

Part: COUNTERBALANCE — BROKEN (R4 DOOR)

R-4 DOOR DOES NOT OPEN WHEN USING EMERGENCY HANDLE. ITEM FOUND DURING E-LETTER CHECK INITIAL INSP, OPN 58131. ITEM CLEARED BY REPLACING DR COUNTERBALANCE. OPS CK GOOD OPN 68115 ITEM REPLACED ON N/R CARD 149.

Part: SKIN — CRACKED (WS 477)

THE LT LOWER WING SKIN WAS FOUND CRACKED AT IWS 477 AND STRINGER 17. THE CRACK IS SUBJECT TO THE SID AD 95-20-04. THE CRACK WAS STOP DRILLED AND REPAIRED WITH A DOUBLER AND TRIPLER PER ER/A 364365-14AD, REV A. THE ER/A WAS GRANTED AMOC APPROVAL.

Part: POWER SUPPLY — INOPERATIVE (CABIN)

COCKPIT AND L1 DOOR EMERG EXIT SIGNS INOP. REPLACED POWER SUPPLY UNIT, CKD NML.

Part: LIGHT — BROKEN (CABIN)

EMERGENCY LIGHT STRIP AT MID GALLEY CROSS-AISLE INOP. REPAIRED BROKEN WIRE AT SPLICE.

Part: CIRCUIT BOARD — BROKEN (CABIN)

EMERGENCY EXIT SIGN LIGHT INOP. FOUND TERMINAL POST ON LIGHT CIRCUIT BOARD BROKEN LOOSE ON EMERGENCY EXIT SIGN.

Part: PROX CARD — INOPERATIVE (E/E COMPT)

AFTER GEAR RETRACTION, THE RED IN TRANSIT LIGHT ALONG WITH THE LEFT GEAR DOOR LIGHT ON S/O PANEL ILLUMINATED. ACCOMPLISHED POM PROCEDURES LIGHTS REMAINED ILLUMINATED. REPLACED PROX CARD.

Part: CONTROL VALVE — CRACKED (LT MLG)

UPON LOWERING GEAR HANDLE LOST C-SYSTEM PRESSURE AND FLUID TO BELOW HALF. APPLIED BRAKES AT 120 KNOTS. REPLACED CRACKED C-SYSTEM LEFT MAIN PHASE CONTROL VALVE. CHECKED PUMP FILTERS, SYSTEM OPS CHECK GOOD.

Part: SKIN — CRACKED (WS 319.8)

LT UPPER WING SKIN FOUND CRACKED OVER THE IWS 319.8 RIB JUST FWD OF THE REAR SPAR. THE CRACK IS APPROX 1.5 LONG AND RUNS DIAGONALLY THROUGH A RIB SHEAR CLIP ATTACH FASTENER.

Part: POWER SUPPLY — INOPERATIVE (CABIN)

EMERGENCY LIGHT POWER SUPPLY AT L4 DOOR INOP.

Part: BULKHEAD WEB — CRACKED (BS 1212)

BS 1212 BULKHEAD WEB FOUND CRACKED AT RBL 6. CRACK IS 2 INCHES. THE RBL 6 LOCATION REQUIRES A CHANGE TO THE DOUBLER PROFILE TO ACCOMMODATE A CABLE PASS-THROUGH.

Part: PBE — BUTTON POPPED (LOWER GALLEY)

PBE IN LOWER GALLEY HAS BUTTON POPPED. REPLACED PBE, OK FOR SERVICE.

Part: LOWER SILL — CORROSION (C2 CARGO DOOR)

CORROSION WAS FOUND ON THE C2 DOOR SURROUND LOWER SILL OUTER CAP STA 1625. THE CORROSION WAS CUT OUT, FILLED AND REINFORCED, REV A ADDS FAA APPROVAL.

Part: SKIN — DENTED (FS 718)

AT FS 717 AND 719 BETWEEN STRINGERS 23 AND 24, TWO DENTS WERE FOUND JUST AFT OF THE LOWER AFT CORNER OF THE C-1 CARGO DOOR. THE DENTS WERE CUT OUT, FILLED AND REINFORCED.

Part: SKIN — DENTED (FS 189)

A DENT WAS DISCOVERED AT FS 189 LBL 30.6. THE DENT WAS CUT OUT, FILLED AND REINFORCED.

Part: SKIN — DENTED (FS 200)

THE SKIN SECTION BETWEEN FS 158 AND 267 AT WL 198 WAS FOUND TO HAVE FURTHER DAMAGE THAN THAT WHICH WAS REPAIRED BY ER/A 266918-14. THE NEW DAMAGE CONSISTED OF SEVERAL GOUGES. THE GOUGES WERE REMOVED AND REINFORCED, REV A TO ER/A 273653-14 PROVIDES FAA APPROVAL.

Part: RIB CAPS — CRACKED (WS 503)

THE RT WING IWS 503 RIB UPPER AND LOWER CAPS HAVE CRACKS IN THE TYPICAL LOCATION AT THE ATTACH TABS. THE CAPS ARE TO BE REPLACED PER EO 7-59208-3AD, BUT THE COMPLETE REMOVAL OF THE UPPER CAP PROVIDES SUFFICIENT ACCESS TO ALLOW ONE SPLICE LOCATION IN EACH CAP TO BE ELIMINATED. THIS WILL SAVE MTC TIME AND EFFORT AS WELL AS PRODUCE A STRUCTURALLY SUPERIOR INSTALLATION, REV A TO ER/A PROVIDES FAA APPROVAL.

Part: SKIN — CORROSION (FS 915)

THE FUSELAGE SKIN BETWEEN FS 887, 940 AND STR 42 AND 2 BELOW STR 40 REQUIRES REPLACEMENT, REV B TO ER/A PROVIDES FAA APPROVAL.

Part: ACT ATTACH FTG — CORROSION (LT MLG)

THE LEFT MLG ATTACH RIB FITTING WAS CORRODED AT THE MLG RETRACT ACTUATOR ATTACH FITTING LOCATION. THE DAMAGE WAS CLEANED UP AND INSPECTED PER DL ERA 273650-14.

Part: POWER SUPPLY — INOPERATIVE (GALLEY)

BLINKING AMBER LIGHT ON LOWER GALLEY EMERGENCY LIGHT POWER SUPPLY. REPLACED POWER SUPPLY, OPERATION NORMAL.

Part: WEB — CRACKED (FS 1212)

AT LAYOVER IN ATL WHILE PERFORMING SI 7-70645-12, THE FS 1212 CANTED BULKHEAD WAS FOUND WITH VERTICAL CRACKS AT RBL 22.5 LBL 10 AND LBL 30. THEY MEASURE 9, 8 AND 9 INCHES RESPECTIVELY. ALSO, WHILE ACCOMPLISHING REPAIR, ONE HOLE AT LBL 30 WAS DRILLED WITH SHORT EDGE DISTANCE AND AN ADJACENT HOLE WAS DAMAGED RESULTING IN A SMALL CRACK. ACCOMPLISHED REPAIRS PER DL ERA 273157-14C.

Part: BULB — FAILED (CABIN)

EMERGENCY PATH LIGHT AT SEAT 23HJ IS BROKEN. REPLACED LAMP HOLDER AND BULB, CKS GOOD.

Part: COWL — CRACKED (NR 2 ENGINE)

NR 2 ENGINE LOWER LT HINGED COWL, 6 INCH CRACK IN LOWER EDGE OF COWL, AFT OF 2ND LATCH FROM FORWARD EDGE. REPAIRED PER SRM 51-50-02 PAGE 3.

Part: EEL POWER PACK — INOPERATIVE (CABIN)

DURING L/O CK, FOUND EMERGENCY LIGHTS OUT AT MID GALLEY, CROSS AISLE. REPLACED POWER PACK PS9.

Part: FITTING — CRACKED (AFT P-DOME)

COMPLYING WITH INSPECTION SI 7-66332-12 AND AD T95-18-52, FOUND STRINGER TO AFT P-DOME SPLICE FITTINGS CRACKED AT STRINGERS NR 8, 10 AND 58. THE FITTINGS WERE SCHEDULED FOR REPLACEMENT PER DL ERA 271733-14AD REV D.

Part: TORQUE TUBE — CORROSION (HORIZ STAB)

HORIZONTAL STABILIZER RT UPPER TORQUE TUBE SUPPORT BRACKET WAS FOUND WITH CORROSION ON THE LWR SURFACE OF THE UPPER LUG. CORROSION DOES NOT EXTEND INTO THE PARTING PLANE OF THE TWO BRACKET HALVES. ACCOMPLISHED REPAIRS PER DL ERA 271316-14AD.

Part: FITTING — CORRODED (FS 892)

AT LETTER CHECK ATL, FOUND SUPPORT FITTINGS ON THE GALLEY DOOR WERE CORRODED. THE FITTINGS WERE REPLACED IN ACCORDANCE WITH FAA FORM 8110-3, DATED 07-06-95 TO ACCOMODATE REPAIRS PER DL ERA 271294-14.

Part: BLKHD FRAME — CRACKED (FS 1363)

AT B-LETTER CHECK, FOUND BULKHEAD FRAME CRACKED, AT FS 1363 HORZ LEG LT SIDE WL160. REPAIRED PER SRM 53-11-00, PG 932-933

Part: FRONT SPAR — CRACKED (LT ELEV)

LT ELEV, FRONT SPAR CRACKED THROUGH BOTH LAYERS OF SKIN AT LIGHTENING HOLE, JUST INBD OF NR 8 ELEV HINGE. REMOVED REPAIR SECTION OF WEB, FABRICATED NEW WEB PIECES, INSTALLED NEW WEB SECTION. REPAIRED FRONT SPAR CRACK PER SRM 55-21-00 PG 804. INSTALLED LWR SKIN.

Part: SUPPORT — CRACKED (FS 1163)

FLOOR PANEL SUPPORT RAIL CRACKED IN RADIUS AT STA 1163 FORMER, LBL 104. REPAIRED PER SRM 53-21-00.

Part: FORMER — CRACKED (FS 1163)

FLOOR PANEL SUPPORT RAIL CRACKED IN RADIUS AT STA 1163 FORMER LBL 104. REPAIRED PER SRM 53-21-00.

Part: TRUNNION FTG — CORROSION (RT WING)

OUTBOARD SIDE OF RT TRUNNION FITTING WEB WAS FOUND WITH NUMEROUS AREAS OF SURFACE RUST. REPAIRED PER SRM 51-21-01.

Part: SWITCH — BURNED (COCKPIT)

DURING DESCENT, CAPTAIN TURNED ON OVERHEAD PANEL AND EYE BROW PANEL LIGHTS AND A BURNING ODOR WAS NOTICED. AFTER LANDING INSPECTION, DISCOVERED THE RIGHT WING LANDING LIGHT SWITCH WITH EVIDENCE OF ARCING. REPLACED SWITCH AND TERMINALS, OPERATION NORMAL.