N977Z
Operators of this aircraft
Who operated this tail, and how firmly we know it.
| Operator | Role | Period | Basis |
|---|---|---|---|
| OZARK AIR LINES INC | Operator | on 1969-08-15 | Operator named in NTSB report |
Accident & incident history
Maintenance disclosures
Service Difficulty Reports filed with the FAA for this airframe. Filing is largely voluntary — the number of reports is not a measure of reliability. To verify a report, search its control number at the FAA SDRS site.
59 reports on file, 1995-07-13 – 2000-10-04.
Part: SKIN — CRACKED (FUSELAGE) · airframe 76,944 hrs · 89,496 cycles
DURING OP 15 MAINT CHECK THE FUSELAGE HAD A 2 INCH CRACK AND ONE FASTENER MISSING AT STA 332 BETWEEN LONGERON 30 AND 29R. REPAIRED PER SRM 53-04, FIG 44, AT STA 332 LONGERON 30 AND 29R.
Part: FLOOR PANEL — CORRODED (CABIN) · airframe 76,944 hrs · 89,496 cycles
DURING OP 15 MAINT CHECK FOUND ON CABIN FLOOR, CORROSION ON FLOOR PANEL NUMBER 14. NEW FLOOR PANEL MADE PER SSRM 53-00-104, PAGE 201, AND PAINTED.
Part: FRAME — MISREPAIRED (FUSELAGE) · airframe 76,944 hrs · 89,496 cycles
DURING OP 15 MAINT CHECK, FOUND IN AFT CABIN RT SIDE, AT STA 980, LONGERON 16R, A FRAME REPAIR NOT APPROVED FOR THIS OPERATION. REPLACED FRAME SECTION PER DRAWING 9958238 AND SRM 53-03, FIG 32 SHEETS 1 TO 5, AND SRM 51-30-3 FOR RIVETS AND 51-30-5 FOR HI-LOKS.
Part: FRAME — CRACKED (FUSELAGE) · airframe 76,944 hrs · 89,496 cycles
DURING OP 15 MAINT CHECK ON RT SIDE OF CABIN, STA 718, FORMER CASTING HAD A CRACK APPROX 4 INCHES LONG ON FWD LOWER I/B FLANGE, CONFIRMED BY NDT. REMOVED AND REPLACED FORMER CASTING PER SRM 53-11-3 AND INSTALLED FASTENERS PER SRM 51-30.
Part: FLOOR PANEL — CORRODED (COCKPIT) · airframe 76,944 hrs · 89,496 cycles
DURING OP 15 MAINT CHECK FOUND CORROSION ON COCKPIT FLOOR PANEL, STA 149 AT RT EDGE LONGERON 18R. REMOVED CORRODED MEMBRANE AND REPLACED WITH 0.032 7075T6 PER SRM 53-11-1 FIG 11. INSTALLED DOUBLER ON MEMBRANE SEAM AREA PER SRM 53-01 FIG 2.
Part: FRAME — CRACKED (FUSELAGE) · airframe 76,944 hrs · 89,496 cycles
DURING OP 15 MAINT CHECK ON RT SIDE OF CABIN, STA 699, A FORMER CASTING HAD A CRACK APPROX 3 INCHES LONG IN AFT LOWER I/B FLANGE, CONFIRMED BY NDT. REMOVED AND REPLACED FORMER CASTING PER SRM 53-11-3 AND INSTALLED FASTENERS PER SRM 51-30.
Part: DOOR FRAME — CRACKED (BULKHEAD DOOR) · airframe 76,944 hrs · 89,496 cycles
DURING OP 15 MAINT CHECK, ON THE AFT BULKHEAD DOOR, FOUND A CRACK IN DOOR FRAME APPROX 6 INCHES LONG AT LT AFT EDGE, 35 INCHES ABOVE BOTTOM OF DOOR. REPLACED FRAME SECTION PER SPM 6-70-01 AND DOUGLAS DRAWING 9915565.
Part: FITTING — CRACKED (BULKHEAD DOOR) · airframe 76,944 hrs · 89,596 cycles
DURING OP 15 MAINT CHECK, ON AFT BULKHEAD DOOR, CENTER DOOR PRESSURE STOP INTERIOR FITTING WAS CRACKED. REPLACED CRACKED FITTING (P/N 4917851-501), PER SRM 6-70-01.
Part: WEB — CRACKED (BULKHEAD DOOR) · airframe 76,944 hrs · 89,496 cycles
DURING OP 15 MAINT CHECK, THE AFT BULKHEAD DOOR, CENTER DOOR PRESSURE STOP INTERIOR WEB WAS CRACKED AT O/B AND I/B CUT OUT AT PRESSURE STOP FITTING. REPAIRED CRACKED WEB PER DRAWING 9915565 AND SPM 6-70-01.
Part: FLOOR PANEL — CORRODED (CABIN) · airframe 76,944 hrs · 89,496 cycles
DURING OP 15 MAINT CHECK, FLOOR PANEL NUMBER 11 AT FWD ENTRY DOOR HAD AREAS AROUND SCREW HOLES BLENDED BEYOND LIMIT. PANEL MADE NEW IN SHOP PER SSRM 53-00-104.
Part: FLOOR PANEL — CORRODED (CABIN) · airframe 76,944 hrs · 89,496 cycles
DURING OP 15 MAINT CHECK, FOUND CORROSION ON FLOOR PANELS 12 AND 22. MADE NEW PANELS IN SHOP PER SSRM 53-00-104.
Part: FLOORBEAM — CORRODED (CABIN) · airframe 76,944 hrs · 89,496 cycles
DURING OP 15 MAINT CHECK HAD CORROSION ON SHORT FLOORBEAM AT STA 200, LBL 44 IN TO LBL 56 INCHES. MECHANICALLY REMOVED CORROSION PER SPM 6-80-01. REMOVED CORRODED PART AND FABRICATED NEW AND INSTALLED PER SRM 53-11-1, FIG 11 SHEET 1 AND 2.
Part: FLOOR SUPPORT — CORRODED (CABIN) · airframe 76,944 hrs · 89,496 cycles
DURING OP 15 MAINT CHECK, FOUND CORROSION ON FLOOR SUPPORT FROM STA 160 TO 200, LBL 44. REMOVED CORRODED PART AND REPLACED PER SRM 53-11-1, FIG 11 SHEET 1 AND 2.
Part: FLOORBEAM — CORRODED (CABIN) · airframe 76,944 hrs · 89,496 cycles
DURING OP 15 MAINT CHECK THE FWD ENTRY AREA HAD CORROSION ON FLOOR SUPPORT BEAM AT STA 200, LBL 0 TO 20 INCHES. FABRICATED AND REPLACED CORRODED PART PER SRM 53-11-1, FIG 11 SHEET 1 AND 2.
Part: SEAT TRACK — CORRODED (CABIN) · airframe 76,944 hrs · 89,496 cycles
DURING OP 15 MAINT CHECK, THE FLOOR TRACK BETWEEN FLOOR PANEL 14 AND 15 WAS CORRODED AT LBL 22 INCHES FROM STA 200 TO 229. REPLACED SEAT TRACK PER SRM 53-05 FIG 4F, SHEET 1, 2, 10 AND 11 FROM STA 200 LBL 22 INCHES TO STA 265.
Part: SEAT TRACK — CORRODED (CABIN) · airframe 76,944 hrs · 89,496 cycles
DURING OP 15 MAINT CHECK, FOUND CHAIR TRACK CORROSION AT STA 598 TO 639, STA 639 TO 699, 699 TO 756, 756 TO 813, 813 TO 870, AND 870 TO 965 ALL AT RBL 22 INCHES. REMOVED AND INSTALLED NEW CHAIR TRACK PER SRM 53-05.
Part: STRAP — CORRODED (COCKPIT WINDOW) · airframe 76,944 hrs · 89,496 cycles
DURING OP 15 MAINT CHECK, FOUND CORROSION RUST ON WINDOW FRAME STRAP LOWER AFT END OF CAPT SLIDING WINDOW. REMOVED CORROSION FROM FRAME PER DRAWING 5912350. MANUFACTURED NEW PART AND SENT TO SHOP FOR HEAT TREAT. INSTALLED PART AND FASTENERS WET WITH SEALER PER SRM 51-30-5.
Part: ATTACH ANGLE — CORRODED (FUSELAGE) · airframe 76,944 hrs · 89,496 cycles
DURING OP 15 MAINT CHECK, FOUND CORROSION ON FLOOR ATTACH ANGLE AT AFT PRESSURE BULKHEAD, STA 996 BETWEEN LONGERONS 24L AND 24R. REMOVED CORROSION FROM AREA PER SPM 6-80-01 AND SRM 51-10-3. REPLACED ATTACH ANGLE FROM LONGERON 30 TO L24L PER SPM 6-70-01 AND SRM 51-30-0.
Part: FRAME — CORRODED (COCKPIT WINDOW) · airframe 76,944 hrs · 89,496 cycles
DURING OP 15 MAINT CHECK, FOUND RUST ON LOWER AFT END OF F/O SLIDING WINDOW FRAME. REMOVED CORROSION PER DRAWING 5912350. MANUFACTURED NEW PART AND SENT TO SHOP FOR HEAT TREAT. INSTALLED PART AND FASTENERS PER 51-30-5 WET WITH SEALER.
Part: FLOOR SUPPORT — CORRODED (CABIN) · airframe 76,944 hrs · 89,496 cycles
DURING OP 15 MAINT CHECK, THE FWD ENTRY AREA, THE FLOOR CENTER SUPPORT BEAM HAD CORROSION AROUND SCREW HOLES FROM STA 160 TO 218, BL 0. FABRICATED NEW PART FROM NEW MATERIAL AND INSTALLED PER SRM 53-11-1 AND FABRICATED PER SRM 53-11-1.
Part: SEAT TRACK — CORRODED (CABIN) · airframe 76,944 hrs · 89,496 cycles
DURING OP 15 MAINT CHECK, FOUND MEMBRANE BADLY CORRODED O/B OF NUMBER 1 CHAIR TRACK, STA 218 TO 237. REMOVED DAMAGED SECTION OF WEB. MADE NEW IN SHOP PER SRM 6-70-01 PAGE 3. INSTALLED PER SRM 51-30-1, 51-30-2 AND 51-30-5.
Part: SEAT TRACK — CORRODED (CABIN) · airframe 96,944 hrs · 89,496 cycles
DURING OP 15 MAINT CHECK, FOUND CORROSION ON FLOOR TRACK AT LBL 44 FROM STA 200 TO 229, BETWEEN FLOOR PANEL 15 AND 16. REMOVED DAMAGED TRACK AND REPLACED PER SRM 53-05 FIG 4F, AND INSTALLED PER SRM 51-30-01 AND SRM 51-30-05. SPLICED SRM 6-70-01.
Part: LONGERON — CRACKED (FUSELAGE) · airframe 76,944 hrs · 89,496 cycles
DURING OP 15 MAINT CHECK, LONGERON 27L FORMER FOOT WAS CRACKED ON THE FWD END OF STA 579. REMOVED AND REPLACED STRINGER FITTING PER SRM 51-01, PAGE 1 ITEM C.
Part: WEB — CHAFED (CABIN FLOOR) · airframe 76,944 hrs · 89,496 cycles
DURING OP 15 MAINT CHECK, FOUND FLOOR MEMBRANE HAD RUBBED THROUGH AT STA 200, BL 0 TO LBL 24 IN. REPAIRED PER SRM 53-01, PAGE 9 FIG 2.
Part: FASTENER — MISSING (FUSELAGE) · airframe 76,944 hrs · 89,496 cycles
DURING OP 15 MAINT CHECK, FOUND FASTENERS MISSING AT LBL 58, STA 598 TO 617. INSTALLED HI-LOKS PER SRM 51-30-05. FASTENERS REMOVED AND REPLACED TO FACILITATE CORROSION REMOVAL ON NON ROUTINE CARDS.
Part: WEB — CORRODED (FLOOR) · airframe 76,944 hrs · 89,496 cycles
DURING OP 15 MAINT CHECK, FOUND CORROSION ON FLOOR MEMBRANE AT STA 598 TO 617, LT SIDE OF FUSELAGE. REMOVED CORROSION PER SPM 6-80-1.
Part: WEB — CRACKED (FLOOR) · airframe 76,944 hrs · 89,496 cycles
DURING OP 15 MAINT CHECK, FOUND CRACKS IN FLOOR MEMBRANE AT STA 617 TO 615, LBL 54. INSTALLED WEB REPAIR PER SRM 53-01, PAGE 9 FIG 2 SHEET 3.
Part: LONGERON — CRACKED (FUSELAGE) · airframe 76,944 hrs · 89,496 cycles
DURING OP 15 MAINT CHECK, LONGERON 29R FORMER FOOT WAS CRACKED ON THE FWD END, AFT OF STA 579. INSTALLED NEW 29R LONGERON PER SRM 51-30-2 PAGE 1, AND 51-30-5 PAGE 1.
Part: PAN — CRACKED (PAX DOOR) · airframe 76,944 hrs · 89,496 cycles
DURING OP 15 MAINT CHECK, THE LT FWD ENTRY DOOR HAD A CRACK IN THE DOOR PAN UNDER THE LOWER FWD DOOR PRESSURE STOP. REMOVED AND REPLACED DOOR PAN (P/N 5914121-501) BY REMOVING AND REPLACING RIVETS PER SRM 51-30-2.
Part: SKIN — CORRODED (CENTER WING) · airframe 76,944 hrs · 89,496 cycles
DURING OP 15 MAINT CHECK, FOUND CORROSION ON CENTER WING UPPER SKIN AT STA 689, LBL 25 IN TO LBL 58. CLEANED AND REMOVED CORROSION FROM AREA PER SPM 6-80-1. NON ROUTINE WRITTEN FOR PAINT AND TREAT.
Part: PLATE — CRACKED (PAX DOOR) · airframe 76,944 hrs · 89,496 cycles
DURING OP 15 MAINT CHECK ON LT FWD PAX DOOR, THE FWD BOTTOM LIGHTENING HOLE, DOOR HINGE SHAFT PLATE HAD A CRACK. REMOVED AND REPLACED BEAM (P/N 99557-503) BY REMOVING AND REPLACING FASTENERS PER SRM 51-30-7.
Part: RIB — CRACKED (VERTICAL STAB) · airframe 76,944 hrs · 89,496 cycles
DURING OP 15 MAINT CHECK ON THE VERTICAL STABILIZER LOWER LEADING EDGE SECTION HAD 3 CRACKED RIBS ON INTERIOR. INSTALLED REPAIR ANGLE DOUBLERS PER SSRM 55-30-102, PAGE 202.
Part: ANGLE — CRACKED (VERTICAL TO FUSE) · airframe 76,944 hrs · 89,496 cycles
DURING OP 15 MAINT CHECK, FOUND TRANSITION ANGLE FROM FUSELAGE TO VERTICAL STABILIZER, APPROXIMATELY STA 1096, WITH A CRACK AT A SCREW HOLE TO EDGE OF ANGLE, RT SIDE. REPAIRED CRACKED ANGLE PER SRM 53-05, FIG 2.
Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 76,944 hrs · 89,496 cycles
DURING OP 16 MAINT CHECK, FOUND CORROSION ON SEAT TRACK AT RBL 22 FROM APPROX STA 200 TO 229, BETWEEN FLOOR PANELS 14 AND 13. REMOVED CORRODED TRACK TO EXISTING SPLICE AT STA 200 TO 264. REPLACED PER SRM 53-05, FIG 4F SHEET 4.
Part: KEELBEAM — DAMAGED (FUSELAGE) · airframe 76,944 hrs · 89,496 cycles
DURING OP 15 MAINT CHECK, ON THE LOWER FUSELAGE, LT CANTED KEEL BEAM AREA WAS NECESSARY TO ACCOMPLISH KEEL BEAM WEB SPLICE REPAIR PER SSRM 53-10-110. MODIFIED CANTED KEEL BEAM PER SSRM 53-10-110.
Part: KEELBEAM — DAMAGED (FUSELAGE) · airframe 76,944 hrs · 89,496 cycles
DURING OP 15 MAINT CHECK, FOUND ON THE LOWER FUSELAGE, THE RT CANTED KEEL BEAM AREA, NECESSARY TO ANALYZE THE CANTED KEEL BEAM WEB SPLICE REPAIR PER SSRM 53-10-110. INSTALLED CANTED KEEL BEAM WEB SPLICE REPAIR PER SSRM 53-10-110.
Part: WIRE — WORN (ROW 9)
THE EGRESS LIGHTING WAS INOPERATIVE FROM ROW 9 TO THE AFT CABIN. REPLACED FEEDER CABLE (P/N 5854-1) AND FLEX CABLE (P/N 5853-1). CHECK-C 1-14-00 STL.
Part: POWER SUPPLY — FAILED (CABIN)
F/C EGRESS LIGHTS ON WITH SWITCH IN ARMED POSITION. REPLACED POWER SUPPLY. CHECK-C 01-14-00 STL.
Part: TAIL CONE — EJECTED (TAIL)
ON THE GROUND, THE TAIL CONE WAS INADVERTANTLY DEPLOYED. REINSTALLED TAIL CONE ASSEMBLY PER MC8-5303. OP16 08-24-97 MCI..
Earlier reports · 1995–1999 · 20 reports
1999
Part: VALVE — FAILED (FUEL DUMP)
DURING FINAL APPROACH, THE RIGHT ENGINE FLAMED OUT. FOUND FUEL LEAKING AT THE PRESSURIZATION AND DUMP VALVE FITTING. REPLACED THE DUMP VALVE, THE SEAL AND THE FITTING. CHECK-C 11-13-98 STL.
Part: WIRE — WORN (ROW 14)
THE FORWARD SECTION OF THE COACH CABIN FLOOR EGRESS LIGHTS WAS INOPERATIVE. FOUND A HOLE IN THE FEEDER CABLE. REPLACED THE FEEDER CABLE FROM THE POWER SUPPLY TO THE LIGHT STRIP AT ROW 14. CHECK-C 11-13-98 STL.
Part: LONGERON — CRACKED (BS 639)
LONGERON 5L FS 639 WAS CRACKED .25 INCH. REPLACED SECTION ON LONG 5L AND INSTALLED SPLICE SECTION PER SRM 53-02, FIG 18 AND SRO9530128 DRAWING. CHECK-C 11-13-98 STL.
Part: LONGERON — CRACKED (BS 756)
FOUND LONGERON 4R AT FS 756 CRACKED .25 INCH. CUT OUT DAMAGED SECTION AND REPAIRED LONGERON PER SRM 53-02 FIG 18 SHEET 1. CHECK-C 11-13-98 STL.
Part: LONGERON — CRACKED (BS 756)
LONGERON 6R AT FS 756 WAS CRACKED .25 INCH. REPAIRED LONGERON 6R AT FS 756 PER SRM 53-02 FIG 18 SHEET 1. CHECK-C 11-13-98 STL.
Part: LONGERON — CRACKED (BS 699)
FOUND LONGERON 5L AT FS 699 CRACKED .25 INCH. FABRICATED AND INSTALLED LONGERON AND SPLICES IN LONGERON 5L AT FS 699 PER SRM 53-02 FIG 18 SHEET 1. CHECK-C 11-13-98 STL.
Part: LONGERON — CRACKED (BS 658)
LONGERON 6L AT FS 658 WAS CRACKED .25 INCH LONG. REPAIRED PER SRM 53-02, FIG 18 AND STANDARD PRACTICES. CHECK-C 11-13-98 STL.
Part: LONGERON — CRACKED (BS 737 & 756)
FOUND .25 INCH CRACKS AT LONGERON 6L AT FS 737 AND 756, AND LONGERON 7R AT FS 680. REPAIRED EACH PER SRM 53-02 FIG 18, AND SRO 9530128. CHECK-C 11-13-98 STL.
1998
Part: PAN — CRACKED (EMER EXIT DOOR)
DURING CHECK-C MAINT, THE LT AFT EMERGENCY EXIT DOOR HAD TWO 1 INCH CRACKS IN DOOR PAN IN BOTH CORNERS. REPAIRED PAN PER DC9 SRM 51-00 STANDARD PROCEDURES.
Part: PAN — CRACKED (EMER EXIT DOOR)
DURING CHECK-C MAINT, FOUND LT FWD EMERGENCY EXIT DOOR WITH A ONE INCH CRACK IN AFT UPPER CORNER, AND 1 INCH CRACK IN LOWER AFT CORNER. REMOVED AND REPLACED PAN PER SRM 51-30.
Part: PAN — CRACKED (EMER EXIT DOOR)
DURING CHECK-C MAINT, FOUND RT FWD EMERGENCY EXIT DOOR WITH TWO 1 INCH PAN CRACKS IN DOOR CORNERS. REPLACED DOOR PAN PER SRM 51-30 STANDARD PRACTICES ON SHOP TICKET 836533.
Part: BEAM — CRACKED (SERVICE DOOR)
DURING CHECK-C MAINT, FOUND ON THE RT FWD SERVICE DOOR THE NR 5 BEAM HAD A CRACK AT THE AFT END OF THE BEAM CLIP AT I/B RIVET HOLE. REPLACED CLIP FASTENER PER SRM 51-30-5 AND SERVICE BULLETIN 52-125 R4.
1997
Part: SHIELD — WORN (GLARESHIELD)
IND - FLT 374 - DURING CLIMB, CAPTAIN EXPERIENCED ELECTRIC SHOCK WHEN TAXI LIGHT SWITCH MFG P/N 8906K1269 AND GROUND FLOOD LIGHT SWITCH MFG P/N MS24523-23 WERE TOUCHED. REPLACED PLASTIC SHIELD ON SWITCHES UNDER GLARESHIELD. (M)
Part: BULKHEAD ANGLE — CRACKED (BS 608)
MCI - DURING OP 16 MAINTENANCE CHECK, FOUND FORWARD CARGO PRESSURE BULKHEAD ANGLE AFT OF STR 24L AT FS 608, HAD CRACK IN RADIUS. REPLACED WITH NEW PART PER SRM 51-01, AND TWA STD PRACTICES. TOTAL TIME: 70,084 HOURS. TOTAL CYCLES: 84,015. (X)
Part: FRAME — CRACKED (BS 756)
DURING OP16 MAINTENANCE CHECK, FOUND FUSELAGE MAIN FRAME CRACKED AT FS 756L AT FWD END OF AFT CARGO BIN. INSTALLED NEW MAIN FRAME PER ARA 11821. (M)
Part: RIB — CRACKED (WS 414)
MCI - DURING OP 16 MAINTENANCE CHECK, FOUND ON RT WING XRS 414.1 RIB, THE INBD AFT LOWER FOOT FORWARD END CRACKED APROXIMATELY 3 INCHES. REPLACED FITTING PER SRM 51-01, PG 1 ITEM C. TOTAL TIME: 70,084 HOURS. TOTAL CYCLES: 84,015. (X)
Part: ACTUATOR — WORN (LT MLG)
STL - FLT 627 - DURING CLIMB FOLLOWING GEAR RETRACTION, LEFT MAIN GEAR UNSAFE LIGHT AND GEAR DOOR LIGHT REMAINED ON. REMOVED AND REPLACED LEFT MAIN RETRACT ACTUATOR CYLINDER DUE TO WEAR, MFG PN 3920802-5507, MANUFACTURED BY MCDONNELL DOUGLAS CO. OPERATIONAL CHECK NORMAL. CHECK C -1-17-97 - STL. (X)
1996
Part: WIRE — BROKEN (LANDING GEAR)
STL - AFTER TAKEOFF WHEN LANDING GEAR WAS RETRACTED, RIGHT MAIN LANDING GEAR DID NOT INDICATE UP AND LOCKED. CYCLED LANDING GEAR. FOUND WIRE 2G204E24 AND 2G206E24, BROKEN. REPAIRED WIRES AND REPLACED SWITCH, MFG P/N H14-6. LANDING GEAR INDICATION AND OPERATION CHECKED NORMAL. (M)
Part: LONGERON — CRACKED (BS 718)
STL - DURING SPECIAL CHECK, FOUND CABIN AREA LONGERON 6L CRACKED AT BOTH ATTACH POINTS, STATION 718. REPAIRED PER SRM 53-02, FIGURE 2. (M)
1995
Part: OLEO SEALS — STICKING (NLG STRUT)
STL - FLT 246 - AFTER TAKEOFF, LANDING GEAR HANDLE WAS LOCKED IN THE DOWN POSITION. FOUND NOSE LANDING GEAR OLEO STICKING IN THE COMPRESSED POSITION. REPLACED NOSE LANDING GEAR SEALS, MFG KIT P/N A03772REVH. NOSE GEAR OPERATION CHECKED NORMAL. CHECK C - 6-30-94 - STL.