# Service difficulty reports: N977ML, cancelled Sep 11, 2002 A list on [N977ML, cancelled Sep 11, 2002](https://openairdocs.org/deregistered/N977ML-2002-09-11.md). Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first. - [SDR EISA99059](https://openairdocs.org/sdr/EISA99059.md): Gasket · torn · Mar 24, 1999 · N977ML · Doug DC931 · Turbine Engine Oil System > ADDED 5 QUARTS OIL TO NR 2 ENGINE IN LAS, TOTAL 13 QUARTS. HALF WAY TO SAN, QUANTITY WAS DOWN TO 4 QUARTS. (KEPT SLOWLY DECREASING IN-FLIGHT). SHUT DOWN NR 2 ENGINE. TEMPERATURE NEVER EXCEEDED 110 DEGREES EVEN AFTER IDLING AND SHUT DOWN. DETERMINED OIL FI - [SDR EISA98283](https://openairdocs.org/sdr/EISA98283.md): Battery Pack · discharged · Nov 20, 1998 · N977ML · Doug DC931 · Emergency Lighting > FORWARD EMERGENCY LIGHTS DIM ON TEST. GENERATED BY MAINTENANCE REPORT. REPLACED BATTERY PACK SUPPLY AT BS 24 PER MM 33-00 CHECKS GOOD. (M) - [SDR EISA98282](https://openairdocs.org/sdr/EISA98282.md): Battery Pack · discharged · Nov 20, 1998 · N977ML · Doug DC931 · Emergency Lighting > MIDDLE OVERHEAD EMERGENCY LIGHT DIM ON TEST. GENERATED BY MAINTENANCE REPORT. REPLACED BATTERY PACK SUPPLY AT BS 32 PER MM 33-53-0 CHECKS GOOD. (M) - [SDR EISA98281](https://openairdocs.org/sdr/EISA98281.md): Battery Pack · discharged · Nov 20, 1998 · N977ML · Doug DC931 · Emergency Lighting > FORWARD RIGHT EMERGENCY LIGHTS DIM ON TEST. GENERATED FROM MAINTENANCE REPORT. REPLACED BATTERY PACK SUPPLY AT BS 3 PER MM 33-53-0 CHECK GOOD. (M) - [SDR EISA98216](https://openairdocs.org/sdr/EISA98216.md): Fire Loop · failed · Sep 10, 1998 · N977ML · Doug DC931 · Fire Detection > RIGHT ENGINE LOOP 'A' FAILS TO TEST, LOOP 'B' CHECK OK. FOUND ON PREFLIGHT. GENERATED FROM PILOT REPORT. FOUND CONTACTS ON CONNECTOR TO BE DIRTY. CLEANED AND RESEATED CONTACTS. CHECK GOOD. (M) - [SDR EISA98215](https://openairdocs.org/sdr/EISA98215.md): Switch · inoperative · Sep 9, 1998 · N977ML · Doug DC931 · Cabin Pressure Control System > RIGHT SIDE A/C PACK SHUT DOWN AT 35,000 FT, CABIN PRESSURE WARNING LIGHT CAME ON, PRESSURE ALTITUDE INDICATED 7000 FT IN THE CABIN. RETURNED TO EL PASO. GENERATED FROM PILOT REPORT. DETERMINED 2 SWITCHES BAD ON A/C SYSTEM REMOVED AND REPLACED 190 DEGREES SW - [SDR 98ZZZM785](https://openairdocs.org/sdr/98ZZZM785.md): Switch · inoperative · Sep 9, 1998 · N977ML · Doug DC931 · Cabin Pressure Control System > RIGHT SIDE A/C PACK SHUT DOWN AT 35,000 FT, CABIN PRESSURE WARNING LIGHT CAME ON, PRESSURE ALTITUDE INDICATED 7000 FT IN THE CABIN. RETURNED TO EL PASO. GENERATED FROM PILOT REPORT. DETERMINED 2 SWITCHES BAD ON A/C SYSTEM REMOVED AND REPLACED 190 DEGREES SW - [SDR EISA98207](https://openairdocs.org/sdr/EISA98207.md): Battery Charger · inoperative · Aug 16, 1998 · N977ML · Doug DC931 · Emergency Lighting > AFT SECTION FLOOR MOUNTED EMERGENCY EXIT LIGHTING INOP. REPLACED AFT EMERGENCY LIGHT BATTERY CHARGER IAW MM 33-00. (M) - [SDR EISA98202](https://openairdocs.org/sdr/EISA98202.md): Link · damaged · Aug 6, 1998 · N977ML · Doug DC931 · Landing Gear Door Retract Section > VIBRATION IN NOSHE WHEEL AFTER GEAR RETRACTION, RETURNED TO ELP. GENERATED FROM PILOT REPORT. FOUND RIGHT NOSE GEAR DOOR FORWARD LINK BAD. REMOVED AND REPLACED DOOR LINK. OPS CHECK COMPLETED. NO FURTHER DEFECTS NOTED PER MM 32-22-1. RETRACTION CHECKED GO - [SDR EISA98100](https://openairdocs.org/sdr/EISA98100.md): Floorbeam · corroded · Apr 18, 1998 · N977ML · Doug DC931 · Fuselage Main, Floor Beam > DURING ACCOMPLISHMENT OF CPCP WORKCARD, FOUND AFT CARGO PIT CORROSION AROUND NUTPLATE ON FLOORBEAM FS 965 RIGHT-HAND SIDE. FABRICATED AND INSTALLED REPAIR DOUBLER PER SRM 53-05, FIGURE 20 AND 51-30-2. TT: 66,670:41 HOURS. TC: 61,562. (X) - [SDR EISA98099](https://openairdocs.org/sdr/EISA98099.md): Extrusion · corroded · Apr 18, 1998 · N977ML · Doug DC931 · Fuselage Miscellaneous Structure > DURING ACCOMPLISHMENT OF CPCP WORKCARD, FOUND RIGHT-HAND AFT LAV SUPPORT STRUCTURE CORRODED AT STA 1098. REMOVED AND REPLACED EXTRUSION PER SRM 53-05. TT: 66,670:41 HOURS. TC: 61,562. (X) - [SDR EISA98098](https://openairdocs.org/sdr/EISA98098.md): Floor · cracked · Apr 18, 1998 · N977ML · Doug DC931 · Fuselage Floor Panel > DURING ACCOMPLISHMENT OF ROUTINE C-CHECK WORKCARD, FOUND FLOOR PANEL AT STA 579 TO STA 680, RIGHT-HAND OF CENTER, WITH CRACKED OUT FASTENER HOLES. FABRICATED AND INSTALLED REPAIR PER 53-03, 51-70-0, AND 51-30-2. TT: 66,670:41 HOURS. TC: 61,562. (X) - [SDR EISA98097](https://openairdocs.org/sdr/EISA98097.md): Floor · cracked · Apr 18, 1998 · N977ML · Doug DC931 · Fuselage Floor Panel > DURING ACCOMPLISHMENT OF ROUTINE C-CHECK WORKCARD, FOUND LEFT-HAND CENTER FLOORBOARD, STA 579 TO STA 680, WITH 6 EACH FASTENER HOLES CRACKED OUT. FABRICATED AND INSTALLED REPAIR PER 53-05, 51-70-0, AND 51-30-2. TT: 66,670:41 HOURS. TC: 61,562. (X) - [SDR EISA98096](https://openairdocs.org/sdr/EISA98096.md): Seat Track · corroded · Apr 18, 1998 · N977ML · Doug DC931 · Fuselage, Seat/Cargo Attach Fittings > DURING ACCOMPLISHMENT OF CPCP WORKCARD, FOUND SEAT TRACK CORRODED AT STA 737, 757, 775, 850, 870, 887, AND 908, RIGHT-HAND OUTBOARD TRACK. REPLACED RIGHT-HAND OUTBOARD TRACK FROM STA 737 TO STA 965 PER SRM 53-05. TT: 66,670:41 HOURS. TC: 61,562. (X) - [SDR EISA98095](https://openairdocs.org/sdr/EISA98095.md): Seat Track · corroded · Apr 18, 1998 · N977ML · Doug DC931 · Fuselage, Seat/Cargo Attach Fittings > DURING ACCOMPLISHEMNT OF CPCP WORKCARD, FOUND CORROSION ON RIGHT-HAND INBD SEAT TRACK AT STA 690, 718, 737, 756, 813, 832, 870, AND 889. CORROSION REMOVED FROM STA 690 - STA 737 AND MATERIAL LOSS WITHIN SRM LIMITS 53-05, FIG 4. REPLACED SEAT TRACK FROM STA 7 - [SDR EISA98094](https://openairdocs.org/sdr/EISA98094.md): Stiffeners · cracked · Apr 18, 1998 · N977ML · Doug DC931 · Fuselage Miscellaneous Structure > DURING ACCOMPLISHMENT OF CPCP WORKCARD, FOUND RIGHT-HAND FLOOR PANEL AT STA 160 TO STA 200 WITH 2 CRACKED STIFFENERS. FABRICATED AND INSTALLED NEW STIFFENERS PER SRM 53-21-0 AND SRM 51-30-2. (X) - [SDR EISA98093](https://openairdocs.org/sdr/EISA98093.md): Skin · dented · Apr 18, 1998 · N977ML · Doug DC931 · Fuselage Main, Plate/Skin > DURING ACCOMPLISHMENT OF ROUTINE C-CHECK WORKCARD, FOUND DENT 1.5 INCHES BY 1.75 INCHES AT FS 1039 BELOW CUSPLINE OUT OF LIMITS. FABRICATED AND INSTALLED REPAIR DOUBLER PER SRM 53-04 AND SRM 51-30-2. (X) - [SDR EISA98092](https://openairdocs.org/sdr/EISA98092.md): Skin · corroded · Apr 18, 1998 · N977ML · Doug DC931 · Wing, Plate/Skin > DURING ACCOMPLISHMENT OF CPCP WORKCARD, CORROSION WAS FOUND ON LEFT-HAND WING TRAILING EDGE AT APPROXIMATELY STA XRS 447.3 AS SEEN FROM BELOW. FABRICATED AND INSTALLED NEW SKIN AND DOUBLERS PER SRM 51-70-2. (X) - [SDR EISA98091](https://openairdocs.org/sdr/EISA98091.md): Bracket · cracked · Apr 18, 1998 · N977ML · Doug DC931 · Emergency Exits > DURING ACCOMPLISHMENT OF AD 80-02-06, NOTED ONE EACH BRACKET CRACKED ON AFT EMERGENCY DOOR. FABRICATED NEW BRACKET PER SRM 51-40-3 AND INSTALLED PER SRM 51-10-3. TT: 66,670:41 HOURS. TC: 61,562. (X) - [SDR EISA98090](https://openairdocs.org/sdr/EISA98090.md): Structure · corroded · Apr 18, 1998 · N977ML · Doug DC931 · Fuselage Main, Structure > DURING ACCOMPLISHMENT OF CPCP WORKCARD, FOUND CORROSION IN RIGHT AFT LAVATORY FLOOR PAN ATTACH STRUCTURE. FABRICATED AND INSTALLED REPAIR PARTS PER SRM 51-16, FIGURE 1 AND 51-30-2. (M) - [SDR EISA98089](https://openairdocs.org/sdr/EISA98089.md): Angle · cracked · Apr 18, 1998 · N977ML · Doug DC931 · Emergency Exits > DURING ACCOMPLISHMENT OF ROUTINE 'C' CHECK WORKCARD, NOTED A 2 INCH CRACK IN RIGHT AFT EMERGENCY DOOR STRUCTURE LOWER ANGLE. REPLACED ANGLE IN DOOR STRUCTURE PER SRM 52-21-1. (M) - [SDR EISA98088](https://openairdocs.org/sdr/EISA98088.md): Angle · cracked · Apr 18, 1998 · N977ML · Doug DC931 · Emergency Exits > DURING ACCOMPLISHMENT OF ROUTINE 'C' CHECK WORKCARD, NOTED A.25 INCH LONG CRACK IN LEFT AFT EMERGENCY EXIT LOWER ANGLE. REPLACED ANGLE IN DOOR STRUCTURE PER SRM 52-21-00. (M) - [SDR EISA98087](https://openairdocs.org/sdr/EISA98087.md): Angle · cracked · Apr 18, 1998 · N977ML · Doug DC931 · Emergency Exits > DURING ACCOMPLISHMENT OF ROUTINE 'C' CHECK WORKCARD, NOTED A 1.5 INCH CRACK IN LEFT AFT EMERGENCY EXIT LOWER STRUCTURE ANGLE. REPLACED ANGLE IN DOR STRUCTURE PER SRM 52-21-00. (M) - [SDR EISA98086](https://openairdocs.org/sdr/EISA98086.md): Angle · cracked · Apr 17, 1998 · N977ML · Doug DC931 · Emergency Exits > DURING ACCOMPLISHMENT OF ROUTINE 'C' CHECK WORKCARD, NOTED A 1 INCH CRACK IN RIGHT FORWARD EMERGENCY EXIT DOOR STRUCTURE LOWER ANGLE AFT END. REPLACED ANGLE IN DOOR STRUCTURE PER SRM 52-21-1. (M) - [SDR EISA97105](https://openairdocs.org/sdr/EISA97105.md): Emergency Exit · misinstalled · Jun 2, 1997 · N977ML · Doug DC931 · Emergency Exits > ON TAKEOFF FROM ACY, AIRCRAFT WOULD NOT PRESSURIZE LEVELED AT 9000 FEET. LEAK DISCOVERED AT RIGHT OVERWING EXIT RETURNED TO ACY. EMERGENCY EXIT AT 21 DEF INCORRECTLY INSTALLED. REINSTALLED CORRECTLY IAW MM 52-20. (M) - [SDR EISA97102](https://openairdocs.org/sdr/EISA97102.md): Retract Mech · malfunctioned · May 23, 1997 · N977ML · Doug DC931 · Landing Gear Door Retract Section > LOUD VIBRATION FELT ON TAKEOFF FROM NOSE WHEEL AREA. RETURN TO ACY. FOUND FWD NOSE LANDING GEAR DOORS IN DOWN POSITION, CLOSED DOORS PER MM 32-20, OK FOR FLIGHT. (X) - [SDR EISA97084](https://openairdocs.org/sdr/EISA97084.md): Light · loose · Apr 26, 1997 · N977ML · Doug DC931 · Emergency Lighting > EMERGENCY FLOOR TRACK LIGHTING STRIP LOOSE. RESECURED TRACK LIGHTING COVER. (M) - [SDR EISA97082](https://openairdocs.org/sdr/EISA97082.md): Cover · missing · Apr 24, 1997 · N977ML · Doug DC931 · Emergency Lighting > EMERGENCY EXIT LIGHT LENS COVER BY LEFT LAV MISSING. INSTALLED NEW EXIT LENS COVER. (M) - [SDR EISA97085](https://openairdocs.org/sdr/EISA97085.md): Slide · low pressure · Apr 21, 1997 · N977ML · Doug DC931 · Escape Slide > FORWARD ENTRY DOOR EMERGENCY SLIDE PRESSURE LOW. REPLACED FORWARD EMERGENCY SLIDE IAW MM CHAPTER 25. (M) - [SDR 96ZZZX2913](https://openairdocs.org/sdr/96ZZZX2913.md): Frame · cracked · May 9, 1996 · N977ML · Doug DC931 · Fuselage Main, Frame > DURING A SCHEDULED INSPECTION, CANTED FRAME WAS FOUND CRACKED AT FS 1074 L3 LT. STOP DRILLED CRACK. FABRICATED AND INSTALLED 5 EACH REPAIR PARTS IAW DC-9 SR 09530086. - [SDR 96ZZZX2912](https://openairdocs.org/sdr/96ZZZX2912.md): Shear Clip · cracked · May 9, 1996 · N977ML · Doug DC931 · Fuselage Miscellaneous Structure > DURING A SCHEDULED INSPECTION, SHEAR CLIP LOCATED BETWEEN LONGERONS 15R AND 16R WAS FOUND CRACKED 2 INCHES. REMOVED CRACKED SHEAR, FABRICATED AND INSTALLED NEW CLIP IAW DC-9 SRM 53-03, FIGURE 28 AND DC-9, MM 55-00. - [SDR EISA95019](https://openairdocs.org/sdr/EISA95019.md): Eel Connector · corroded · Feb 23, 1995 · N977ML · Doug DC931 · Emergency Lighting > DURING PREFLIGHT AT MCO, FOUND OVERWING EMERGENCY EXIT LIGHTS TOO DIM. BATTERIES CHECKED GOOD, FOUND CORROSION ON LIGHT ASSEMBLIES CONNECTION, CLEANED CORRODED AREAS, LIGHTS CHECKED GOOD. (Z) ## The whole list in SQL Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS: ```sql SELECT sdr_id, difficulty_date, n_number, aircraft_make, aircraft_model, part_name, part_condition, jasc_code, discrepancy FROM 'https://openairdocs.org/data/latest/faa_service_difficulty_report.parquet' WHERE n_number = 'N977ML' AND deregistration_id = 'N977ML-2002-09-11' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/deregistered/N977ML-2002-09-11/reports --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.