N781DL

LOCKHEED L-1011-385-1 No injuries Part 121 — operator not named in the NTSB record

ATA 5312

Part: BLKHD ANGLE — CRACKED (AFT PRESS DOME)

RAPID DEPRESSURIZATION 33,000 FEET, SOURCE UNKNOWN. LOUD BANG, UNABLE TO REGAIN CONTROL OF PRESSURIZATION. ABLE TO HOLD CABIN ALTITUDE TO 7,000 AT A/C ALTITUDE OF 14,000, RETURNED TO LAX. FOUND AFT PRESSURE P-DOME CHORD ANGLE THAT ATTACHED P-DOME TO FUSELAGE STRUCTURE FRACTURED BETWEEN STRINGER NR 10 AND NR 55. CRACK LENGTH WAS APPROXIMATELY 12 FEET, UNDER INVESTIGATION.

ATA 2910

Part: HOSE — LEAKING (NR 2 ENGINE)

HYD SYSTEM B-QUANTITY DOWN TO .6250 INCH, TURN ON ATM, TURN OFF ENG PUMP. QUANTITY CONTINUED TO DROP 1/2, TURNED OFF ATM. FOUND PRESSURE LINE FROM B1 PUMP LEAKING. REPLACED LINE AND LEAK CKD OK - HAD TO WAIT FOR PART FROM LGA.

ATA 5312

Part: BULKHEAD — CRACKED (FS 1363)

AT LETTER CHECK DURING INSPECTION OF FS 1363 BULKHEAD, FOUND BULKHEAD CAP WITH DAMAGE. REPLACED CAP FROM LBL 80 TO RBL 80 PER DL ERA 271374AD.

ATA 5315

Part: FLOORBEAM — CORRODED (FS 669)

FOUND AT HMV, CORROSION DAMAGE ON FLOORBEAM AT STA 669, C-1 CARGO COMP. REPAIRED PER SRM 53-23-0 FIG 802.

ATA 5512

Part: SKIN — CRACKED (HORZ STAB LE)

DURING HANGER INSPECTION, THE LT HORZ STAB WAS FOUND TO HAVE CRACKED RIBS AND L/E PANEL. REPAIRED PER SRM 55-12-00.

ATA 5330

Part: SKIN — DENTED (FS 651)

A 1.625 BY 1.375 BY 0.128 DENT WAS FOUND IN THE FUSELAGE SKIN AT FS 651, BETWEEN STGR 27R AND STGR 28R. ACCOMPLISHED REPAIRS PER DL ERA 271295-14.

ATA 5730

Part: SKIN — LIGHTNING STRIKE (LT WING)

LIGHTNING STRIKE UPPER WING SKIN I/B FWD CORNER. REPAIRED PER 57-32-00 FIG 807.

ATA 5711

Part: SPAR CAP — CRACKED (WS 580.6)

CAP CRACKED IWS 580.6 FRT SPAR LWR CAP, AT RADIUS INSIDE TANK 4 OB RIB. ACCOMPLISHED REPAIRS PER SRM 57-11-00, FIG 807.

ATA 7110

Part: NOSE COWL — DENTED (ENGINE)

DURING INSPECTION, A DENT WAS DISCOVERED IN THE EXTERIOR SKIN AT THE 5 0'CLOCK POSITION OF ENGINE NOSE COWL. COWL WAS ROUTED TO SHOP WHERE DAMAGE WAS REPAIRED PER SRM 54-31-00.