N421DA

Part: STRINGER — CRACKED (BS 940)

CRACKS WERE FOUND IN THE SKIN, STRINGER AND BS 940 FITTING ON THE RT SIDE OF THE AC AT STRINGER 8A. STRINGER 18A CONTAINED AN APPROX 2 LONG CRACK, THE SKIN AND FITTING UPON BHEC INSPECTION YEILDED CRACK INDICATIONS. REPAIRED PER ERA 332374-14.

Part: TAB — CRACKED (VERT STAB)

59R FLANGE TAB AT FIN STA 133.8 CRACKED, HORIZONTALLY THROUGH ATTACH BOLT. REF NRC515 MV2. REPAIRED PER MM 55-30-0 FIG 803.

Part: STRNGER — CRACKED (BS 629)

TAB CRACKED AT WING STRINGER TO FRAME ATTACHMENT STA 629 AT 4TH FROM FWD SIDE AND 2ND FROM FWD SIDE. REPAIRED PER MM 57-13-0 FIG 804 NRC 521 AND NRC 520.

Part: BATTERY — DISCHARGED (CABIN)

LEFT WING MID BODY FAIRING EMERGENCY EXIT LIGHT WILL NOT TEST. REPLACED BATTERY.

Part: POWER SUPPLY — INOPERATIVE (CABIN)

R2 DOOR EMERGENCY EXIT LIGHT INOP. REPLACED POWER SUPPLY.

Part: RIB — CRACKED (VERT STAB)

FOUND DURING D-2 LETTER CHECK - VERTICAL FIN RIB CRACKED AT RIB TO STRINGER ATTACH BOLT FIN STA 133.8 R/H SIDE 5TH \ATRINGER UP FROM BOTTOM REPAIRED PER M/M 55-30-0

Part: FRAME — CRACKED (R2 DOOR)

A .5 INCH CRACK R2 DOOR FWD FRAME AT UPPER HINGE CUTOUT LOWER CORNER. REPLACED DOOR PER M/M.

Part: LIGHT — INOPERATIVE (CABIN)

TRACK LIGHT AT 36D INOPERATIVE. REPLACED SOCKET AND BULB, CHECKS NORMAL.

Part: SKIN — CORRODED (BS 700)

FUSELAGE SKIN JUST AFT OF FUSELAGE STA 700 HAD CORROSION DAMAGE AT STRINGER 28L AND STR 28R. REPAIRED PER B727 SRM 53-30-3, FIGURE 1 IN ACCORDANCE WITH B727 S/B 727-53A0203, REV 2.

Part: ACTUATOR — FAILED (NR 6 LE SLAT)

SLOW LEAK OF HYDRAULIC SYSTEM-A AT F310 AFTER 2 HRS AT CRUISE. POM PROCEDURES FOLLOWED FOR LOSS OF SYSTEM-A. RT SLAT NR 6 DID NOT EXTEND WITH ALTERNATE FLAPS EXTENSION SWITCH. FOUND NR 6 SLAT ACTUATOR LEAKING. REPLACED ACT SERVICED HYD SYSTEM, OPERATION NORMAL.

Part: ANGLE — CRACKED (NR 2 LE SLAT)

A .25 INCH CRACK AT NR 2 SLAT COVE SKIN ANGLE BELOW I/B TRACK. FOUND DURING C-1 LTR CK TPAMM AND REPAIRED PER MM 57-54-0.

Part: LIGHT — INOPERATIVE (AIRSTAIR)

AIRSTAIR COMPARTMENT EMERGENCY LIGHT IS INOP DURING TEST. REPLACED LIGHT ASSY, CHECKS GOOD.

Part: DUCT — RUPTURED (LT PACK)

FLT DIVERTED INTO DCA AT FL 350, CABIN ALT 5,600 FT, AFTER ABOUT 10 MIN OF LITE VIBRATION OF UNKNOWN ORIGIN, CABIN CLIMBED AT 500 FT/MIN AND UNABLE TO CONTROL IN ANY MODE OF PRESS. ACCOMPLISHED LOSS OF PRESS AND EMERGENCY DESCENT CK LIST AT 10,000 FT, CABIN CONTROL WAS REGAINED IN ALL MODES AS LONG AS PWR WAS KEPT ABOVE 1.2 EPR. ON INTIATION OF EMERGENCY DESCENT A LOUD ROAR BEGAN AT FWD ENTRY DOOR AFT SIDE. FOUND DUCT JUST FORWARD OF LEFT WATER SEPARATOR HAD RUPTURED. REPLACED DUCT, OPERATION NORMAL.

Part: ANGLE — CRACKED (NR 3 SLAT)

CRACK UNDER NR 3 SLAT I/B STOP PAD. FOUND AT B-2 LTR CHECK, REPAIRED PER MM 57-54-0.

Part: ANGLE — CRACKED (NR 8 SLAT)

A .25 INCH CRACK COVE SKIN ATTACH ANGLE UNDER ANTI-ICE DUCT AT NR 8 SLAT. FOUND AT B-2 LTR CHECK, REPAIRED PER SRM 57-54-0.

Part: ACT BRACKET — CRACKED (NR 3 LE FLAP)

A .75 INCH CRACK AT NR 3 L/E FLAP ACTUATOR MOUNT BRACKET. FOUND AT B-2 LTR CHECK, REPAIRED PER MM 57-20-21.

Part: RIB — CRACKED (NR 7 LE SLAT)

DURING INITIAL INSPECTION OF THE NR 7 LEADING EDGE SLAT, RIB MARKED NR 11 WAS FOUND TO HAVE A CRACK. THE RIB WAS REPAIRED PER MM 57-54-0.

Part: SLAT — CRACKED (NR 7 LE SLAT)

DURING THE INITIAL INSPECTION OF THE NR 7 LEADING EDGE SLAT, THERE WAS A CRACK FOUND THE UPPER I/B CORNER OF THE 'T' DUCT OPENING. THE CRACK WAS REPAIRED PER MM 57-54-0 PG 802A.

Part: SKIN — DAMAGED (NR 7 LE SLAT)

UPON INITIAL INSPECTION OF THE NR 7 LEADING EDGE SLAT, THERE WAS A TEMPORARY REPAIR FOUND ON THE OUTER SKIN 45 INCHES FROM THE OUTBOARD END. THE DAMAGE WAS REPAIRED PER SRM 57-50-3.

Part: ATTACH ANGLE — CRACKED (NR 4 LE SLAT)

DURING LETTER CHECK, THE LEFT WING NR 4 LEADING EDGE SLAT LOWER FORWARD SKIN ATTACH ANGLE WAS FOUND WITH A .5 INCH CRACK IN ITS RADIUS BEHIND THE INBOARD SLAT UPSTOP. REPAIRED PER MM 57-54-0 FIG 812.