N480DA

Part: BY PASS SWITCH — FAILED (NR 2 ENGINE)

WHILE FL300, PWR 2.06 EPR ON NR 2 ENG. THE FILTER BY-PASS LIGHT CAME ON DIM. ONCE THROTTLE RETARDED TO IDLE, LT REMAINED ON. SHUTDOWN IAW V LIST. ALL OTHER INDICATIONS NORMAL. ENG WINDMILLED FOR 15 MIN. CHECKED MAIN OIL FILTER, FOUND OK. CHECKED CHIP DETECTOR, FOUND OK. REPLACED FILTER ASSY, RUN-UP, LEAK CHECK FOUND OK. PLACARD PER MEL 79-00-02. BY-PASS FILTER LIGHT.

Part: SKIN — CRACKED (BS 481-681)

INSPECTION PER SI 4-74176-12AD, RESULTED IN 24 CRACK INDICATIONS FOUND IN THE S4R LAP JOINT BETWEEN BS 481 AND BS 681. THE 24 CRACK INDICATIONS WERE LOCATED IN SEVEN DIFFERENT FRAME BAYS. REPAIRED PER ERA 332941-14AD.

Part: SKIN — CRACKED (BS 360-480)

DURING ACCOMPLISHMENT OF SI 4-74176-12AD, SEVERAL CRACK INDICATIONS WERE NOTED IN THE S4L LAP JOINT BETWEEN BS 360 AND 480. FOUR CRACKS WERE CONFIRMED, IN THREE DIFFERENT STRINGER BAYS. REPAIRED PER ERA 332943-14AD, REV A.

Part: SKIN — CRACKED (BS 681-740)

INSPECTIONS PER SI 4-74176-12AD, RESULTED IN FINDING 15 CRACK INDICATIONS IN THE S4R LAP JOINT BETWEEN BS 681 AND BS 740. THE 15 CRACK INDICATIONS WERE LOCATED IN THREE DIFFERENT FRAME BAYS. REPAIRED PER ERA 332942-14AD.

Part: SKIN — CRACKED (BS 420)

DURING ACCOMPLISHMENT OF INSPECTIONS PER SI 4-74176-12AD SIX CRACK INDICATIONS WERE NOTED AT THE S4R LAP JOINT FROM BS 360 TO 480. THE SIX CRACKS WERE LOCATED IN THREE DIFFERENT FRAME BAYS. REPAIRED PER ERA 332940-14AD.

Part: FRAME — CRACKED (PAX DOORWAY)

FOUND AT C-1 LETTER CHECK, .5 INCH VISIBLE CRACK ON AFT ENTRYWAY LT FRAME APPROX 6 INCHES BELOW UPPER STOP PAD. REPAIRED PER SRM 53-10-9.

Part: BATTERY — DISCHARGED (CABIN)

ON L/O, FOUND AISLE EMERGENCY LIGHT OUT AT ROW 9. REPLACED BATTERY.

Part: SPAR WEB — CRACKED (CENTER WING)

WING, CENTER SECTION, REAR SPAR WEB, RBL 10.75 AND LBL 14.5. REPAIR FOR WEB CRACKS. THE CENTER WING REAR SPAR WEB WAS FOUND WITH THE TYPICAL CRACKS NEAR THE UPPER SPAR CAP AT RBL 10.75 AND LBL 14.5. THE CRACKS WERE ROUTED OUT AND REPAIRED WITH LOCAL REPAIR DOUBLERS. THE REPAIRS WERE ACCOMPLISHED PER ER/A 365047-14AD, REV A.

Part: STRAP — CRACKED (R1 DOORWAY)

FUSELAGE R1 DOOR SURROUND UPPER HINGE CUTOUT. REINFORCEMENT DOUBLER : REPAIR FOR CRACKED BEAR STRAP. THE R1 DOOR OPENING REINFORCING DOUBLER (BEAR STRAP) WAS FOUND WITH A TYPICAL CRACK AT THE UPPER HINGE CUTOUT. THE CRACK WAS STOP DRILLED AND REPAIRED WITH AN EXTERNAL DOUBLER PER BAC S/B 727-53-0136. THE REPAIR WAS DOCUMENTED PER ER/A365040-14.

Part: BULB — FAILED (CABIN)

FORWARD EMERGENCY AISLE LIGHT BURNT OUT. FWD GALLEY OVERHD, RELAMPED.

Part: CHORD — CRACKED (BS 1342)

A 2 INCH CRACK BEYOND PREVIOUS STOP DRILL AT CHORD BS 1342 LT SIDE ABOVE NR 2 ENG INLET. STOP DRILLED PER M/M 53-11-0 F 807.

Part: WEB — CRACKED (BS 1243)

A .75 INCH CRACK LT VENTRAL STAIR WEB UPPER JUST AFT STA 1243. FOUND DURING B-2 LETTER CHECK TPA. INSTALLED DOUBLER PER M/M 53-11-0 NR 16.

Part: ANGLE — CRACKED (NR 6 LE FLAP ACT)

FOUND ON B2 LETTER CK, .75 INCH CRACK NR 6 L/E FLAP O/B ACTUATOR ATTACH BRACKET. REPAIRED PER MM 57-20-21.

Part: ANGLE — CRACKED (NR 1 LE FLAP ACT)

FOUND ON B2 LETTER CK, NR 1 LE FLAP ACTUATOR O/B ATTACH ANGLE CRACKED. REPAIRED PER MM 57-20-21.

Part: ANGLE — CRACKED (NR 5 LE FLAP ACT)

FOUND ON B2 LETTER CK, .75 INCH CRACK AT NR 5 L/E FLAP ACTUATOR O/B ATTACH ANGLE. REPAIRED PER MM 57-20-21.

Part: WEB — CRACKED (BS 1243)

RT VENTRAL STAIR WEB LIGHTENING HOLES : NR 1, .25 INCH CRACK UPPER HOLE FWD OF STA 1243. NR 2, .75 INCH AND .25 INCH CRACKS IN UPPER HOLE AFT OF STA 1243. NR 3, (2 EA) .25 INCH CRACKS LOWER HOLE AFT OF STA 1243. FOUND DURING B-2 LETTER CHECK TPA. INSTALLED DOUBLER ON .75 INCH CRACK PER M/M 53-11-0 NR 16. ROUTED OTHER CRACKS PER M/M 53-11-0 NR 15.

Part: DOUBLER — CRACKED (WINDOW POST)

A CRACK WAS FOUND IN THE RT F-N WINDOW POST INTERNAL DOUBLE ON X-RAY INSPECTION PER SI 4-35207-12AD. THE CRACK IS LOCATED AS SHOWN ON SHEET 2, APPROXIMATELY 5 ABOVE POINT F. THIS IS LOCATED WITHIN THE REPAIRABLE REGIN AS DEFINED IN SB 727-53-0086, FIGURE 4. AD 93-05-15 MANDATES REPAIR PER SB 727-53-0086, REVISION 11. THIS ERA AUTHORIZES REPAIR PER SB 727-53-0086, REVISION 11, SECTION III, PART II - MODIFICATION AND REPAIR DATA.

Part: BATTERY PACK — DISCHARGED (CABIN)

EMER LIGHT AFT OF LT WING INOP. REPLACED BATT PACK. OPS CK GOOD.

Part: BULKHEAD BEAM — CRACKED (BS 1183)

INSPECTING PER SI 4-58630-12, A 2 INCH CRACK WAS FOUND OUT OF A LIGHTENING HOLE IN VERTICAL BEAM AT LBL 26.83 ON AFT SIDE OF BS 1183 BULKHEAD. THIS IS TYPICAL OF DAMAGE ADDRESSED BY BACO SB 727-53-0182. SI ALLOWS INSTALLATION OF REPAIR PER EO 4-58630-3 ON ONE SIDE ONLY AT LIAISON ENGINEERING'S DISCRETION.

Part: FRAME — CRACKED (BS 783.95)

A .5 CRACK FOUND IN THE LOWER BOLT HOLE ON THE LT EMERGENCY EXIT FRAME AT STA 783.95. THE CRACK WAS STOP DRILLED AND REPAIRED IN ACCORDANCE WITH BAC S/B 727-53-0197, RV 2.

Part: RIB — CRACKED (NR 8 RT SLAT)

UPON ROUTINE INSPECTION, THE I/B ACTUATOR RIB WAS FOUND TO BE DAMAGED. REPAIR WAS ACCOMPLISHED PER THE 727 M/M 57-54-0 FIG 804, FOR NR 8 L/E SLAT.

Part: RIB — CRACKED (NR 8 LE SLAT)

DURING SHOP INSPECTION, NR 8 L/E SLAT WAS FOUND WITH CRACKED RIB. REPAIRED PER MM 57-54-0.

Part: SKIN — CRACKED (NR 8 LE SLAT)

DURING SHOP INSPECTION, NR 8 L/E SLAT WAS FOUND WITH CRACKED TAI SKIN. REPAIRED SKIN PER MM 57-54-0 FIG 803.

Part: RIB — CRACKED (NR 8 SLAT)

DURING INSPECTION, FOUND NR 8 L/E SLAT WITH CRACKED SUPPORT RIB. REPAIRED PER MM 57-54-0.

Part: ANGLE — CRACKED (FS 1273)

THERE IS A 2.5 CRACK IN THE ANGLE OF BOTH THE FWD AND AFT TRANSVERSE BEAMS OF THE RT TORQUE BOX AT FS 1273. THESE AREAS OF THE TORQUE BOX ARE THE SUBJECT OF AIRWORTHINESS DIRECTIVE 94-07-08, WHICH REQUIRES INSPECTION PER S/B 53-0129. THIS ER/A WILL REPLACE THE DAMAGED PARTS IN ACCORDANCE WITH THE S/B.

Part: HYD MODULE — CRACKED (A HYD SYSTEM)

FOUND DURING A-2 LETTER CHECK - CHECK VALVE BROKEN/BLOWN AT BASE OF A-SYSTEM PRESSURE MODULE. REPLACED A-SYSTEM MODULE, P/N 294001002.