# Service difficulty reports: Boeing 727-21C

A list on [Boeing 727-21C](https://openairdocs.org/model/boeing-727-21c.md).

Newest first. General aviation reporting is voluntary.

Page 1 of 5 · 217 reports

- [SDR UPS03240694](https://openairdocs.org/sdr/UPS03240694.md): Light · intermittent · May 14, 2003 · N934UP · Boeing 72721C · Emergency Lighting
  > MAIN ENTRY DOOR EMERG LT INTERMITTENT. R/R LT ASSY & BATTERIES. OPS CK OK IAW MM 33-50-67. LT ASSY P/N ON/OFF 10-0067-9/10-0067-7. S/N ON/OFF S106/7432.
- [SDR UPS03240693](https://openairdocs.org/sdr/UPS03240693.md): Battery · inoperative · May 14, 2003 · N934UP · Boeing 72721C · Emergency Lighting
  > COCKPIT DOOR EMERG LT INOPERATIVE. R/R BATTERIES P/N S106. IAW MM 3307. OPS CK OKAY.
- [SDR UPS03240053](https://openairdocs.org/sdr/UPS03240053.md): Panel · cracked · Jan 14, 2003 · N934UP · Boeing 72721C · Fuselage Main, Bulkhead
  > INSPECTION TYPE: C, SUSPECT CRACK IN NLG WHEEL WELL STA 245 LT SIDE PANEL. REPAIR CARRIED OUT IAW SRM 51-40-2.
- [SDR UPS03240055](https://openairdocs.org/sdr/UPS03240055.md): Spar · cracked · Jan 10, 2003 · N934UP · Boeing 72721C · Elevator, Spar/Rib
  > INSPECTION TYPE: C, DURING REPLACEMENT OF RT O/B RIB FOR ELEVATOR STA 209.5 LWR REAR SPAR FOUND TO BE CRACKED BETWEEN TWO FASTENERS AT O/B EDGE OF SPAR. REPAIRED IAW SRM 55-10-5 FIG 1.
- [SDR UPS03240050](https://openairdocs.org/sdr/UPS03240050.md): Bracket · cracked · Jan 8, 2003 · N934UP · Boeing 72721C · Elevator Control System
  > INSPECTION TYPE:C ON REMOVAL OF L/H ELEVATOR PCU BRACKET ON FRONT SPAR OF ELEVATOR FOU ND TO BE CRACKED POSITION SENSOR BRACKET ON L/H ELEV. FRONT SPAR REPLACED IAW MM 27-3 0-01 PG 410 STEP 4J
- [SDR UPS03240057](https://openairdocs.org/sdr/UPS03240057.md): Door · cracked · Jan 7, 2003 · N934UP · Boeing 72721C · Landing Gear Doors
  > INSPECTION TYPE:C WING LANDING GEAR DOOR R/H SIDE CRACK FOUND ON INSIDE OF DOOR REAR S PAR OF DOOR 19TH UP FROM BOTTOM OF DOOR CRACK IS ALONG BETWEEN 2 RIV ET HOLES REPAIR CARRIED OUT IAW SRM 51-40-2
- [SDR UPS03240056](https://openairdocs.org/sdr/UPS03240056.md): Fitting · cracked · Jan 7, 2003 · N934UP · Boeing 72721C · Fuselage Main, Attach Fittings
  > INSPECTION TYPE: C, CRACK INDICATION IN ONE HOLE BS 870 LT HOLE LOCATED 2ND FASTENER ROW FROM FWD EDGE OF FITTING TOP FASTENER HOLE OF LWR FITTING. REPAIRED IAW UPS EO B727-5310-3057-H.
- [SDR UPS03240049](https://openairdocs.org/sdr/UPS03240049.md): Bracket · broken · Jan 7, 2003 · N934UP · Boeing 72721C · Fuselage Main, Structure
  > INSPECTION TYPE:C FLAT BRACKET BROKEN ON FUSELAGE SKIN AT BS 740 AT INTERSECTION WITH STR. 17R NEW PLATE FABRICATED IAW SRM 51-20-01 FIG 7 INSTALLED IAW SRM 51-30-02
- [SDR UPS03240066](https://openairdocs.org/sdr/UPS03240066.md): Elevator · cracked · Jan 6, 2003 · N934UP · Boeing 72721C · Elevator Structure
  > INSPECTION TYPE:C SUSPECT CRACK ON LH ELEVATOR REAR SPAR @ 2 ND HINGE FROM O/B @ TOP I /B CORNER DUE TO UNAVAILABILITY OF REAR SPAR REPLACEMENT KIT. REPLACED L/H ELE VATOR IAW MM 27-30-01
- [SDR UPS03240065](https://openairdocs.org/sdr/UPS03240065.md): Fitting · cracked · Jan 6, 2003 · N934UP · Boeing 72721C · Fuselage Main, Structure
  > INSPECTION TYPE:C CRACK INDICATION IN 2 HOLES BS 950 L/H HOLES LOCATED ON ROWS 2ND FRO M FWD EDGE OF FITTING AND 2ND HOLES FROM BOTTOM OF SPLICE PLATE JUST BELOW STR. 6 L/H BS 950 BULKHEAD FITTING REPLACED IAW EO B727-5310-3012 & DRAWING 65C18332 AND 2MI
- [SDR UPS03240048](https://openairdocs.org/sdr/UPS03240048.md): Skin · corroded · Jan 6, 2003 · N934UP · Boeing 72721C · Fuselage Main, Plate/Skin
  > INSPECTION TYPE: C, POPPED RIVET HEAD AT BS 1180 STR 7L DUE TO CORROSION. ALSO FURTHER SIGNS OF CORROSION ON STR 7L BETWEEN 1180 & 1150. LFEC INSP PERFORMED AT 1180 STR 7L, 10-15 PERCENT MATERIAL LOSS EVIDENT. CORRODED SKIN REMOVED APPROX 10 INCHES X 5 INCH
- [SDR UPS03240064](https://openairdocs.org/sdr/UPS03240064.md): Frame · cracked · Jan 4, 2003 · N934UP · Boeing 72721C · Horizontal Stabilizer, Spar/Rib
  > INSPECTION TYPE: C, SUSPECT CRACK ON LT HORIZONTAL STAB UPPER FRAME JUST I/B OF ELEVATOR RIB STA 173.21. REPAIR CARRIED OUT IAW SMRO EO 2003-001-004 UPS ENGINEERING FILE 727-55-20029.
- [SDR 02FDEA00315](https://openairdocs.org/sdr/02FDEA00315.md): Wire · damaged · May 7, 2002 · N144FE · Boeing 72721C · Flight Control System Wiring
  > DURING TAXI ELEVATOR FEEL DIFFERENTIAL LIGHT CAME ON. LOW PRESS LIGHT C/B ON. HYD A & B FILTERS CHECK GOOD. PITOT TUBES ON TAIL WERE CLEAN. SPLICED IN NEW SECTION OF WIRE PER SMP, OPS CHECK NORMAL.
- [SDR 02FDEA00215](https://openairdocs.org/sdr/02FDEA00215.md): Lamp · failed · Mar 23, 2002 · N143FE · Boeing 72721C · Landing Gear Position and Warning
  > 02-79 LEFT GEAR DOWN LIGHT INOP. RELAMPED GEAR INDICATOR. OK FOR SERVICE.
- [SDR UPS01236766](https://openairdocs.org/sdr/UPS01236766.md): Light · defective · Aug 30, 2001 · N934UP · Boeing 72721C · Emergency Lighting
  > INSPECTION TYPE:PFLT EXIT LIGHTS STAY ON IN ARMED POSITION. REPLACED LIGHT ASSEMBLY
- [SDR UPS01236257](https://openairdocs.org/sdr/UPS01236257.md): Frame · cracked · Jun 28, 2001 · N934UP · Boeing 72721C · Fuselage Main, Structure
  > INSPECTION TYPE:C CRACK INDICATION AT FRAME, FUSELAGE BS913.5 RIGHT SIDE. CRACK CONFIRMED BY NDT INSP. PART 6 51-00-00 STOP DRILL CRACK AT FRAME AT BS 913.5 B727-51-10-01 INSTALLED KIT REPAIR AS PER EO B727- 5310-1896-B APPENDIX C AT FRAM FUSELAGE BS 913
- [SDR UPS01236261](https://openairdocs.org/sdr/UPS01236261.md): Bulkhead · cracked · Jun 20, 2001 · N934UP · Boeing 72721C · Fuselage Main, Bulkhead
  > INSPECTION TYPE:C, RT WHEEL WELL FWD LOWER FRAME SHOWS CRACK DAMAGE AT BS 870 RBL 4.5. REMOVED FASTENERS AT DAMAGED AREA SRM 51-30-2, CUTOUT WEB DAMAGED AREA APPROX 1 X 1.5 INCH SRM 51-40-2 AT BS 870 RBL 4.5 HFEC INSP CUT OUT IAW M/M 51-00-00 PART 6 FIG 4. I
- [SDR UPS01236260](https://openairdocs.org/sdr/UPS01236260.md): Bulkhead · cracked · Jun 20, 2001 · N934UP · Boeing 72721C · Fuselage Main, Structure
  > INSPECTION TYPE:C RIGHT WHEEL WELL STA 870 BULKHEAD CRACK AT APU VALVE CUT OUT RBL4.5 STOP DRILL CRACK ON RH W/W STA 870 AT APU VALVE CUT OUT RBL45 STOP DRILL 1/4" SIVE AND NDT INSPECTION ACCOMPISHED HFEC AS PER PART6-51- 00-00 FIG4 INSTALL 3 DOUBLER REPA
- [SDR UPS01236259](https://openairdocs.org/sdr/UPS01236259.md): Frame · cracked · Jun 20, 2001 · N934UP · Boeing 72721C · Fuselage Main, Frame
  > INSPECTION TYPE:C, LEFT WW FRAME 930 HAS PREVIOUS REPAIR WITH STOP HOLE, BUT IS CONTINUING UPWARDS AFTER STOP HOLE FRAME BELOW FLOOR BS 930. PERFORMED HFEC INSP ON I/B FLANGE AS PER NDT MANUAL PART 6-51-00-01 FIG 4. CRACK AT 1/4 BOLTS HOLE APPROX.5 INCH DOW
- [SDR UPS01236258](https://openairdocs.org/sdr/UPS01236258.md): Web · cracked · Jun 20, 2001 · N934UP · Boeing 72721C · Fuselage Main, Structure
  > INSPECTION TYPE:C NOSE LANDING GEAR BAY RH SIDE WALL AT BS 266 HAS A CRACK INDICATION. REMOVED ACCESS PANEL #3125 AS PER SRMB727-51-30-2 CUT OUT DAMAGE AREA AS PER B727-51-40-2 APPROX 3.5"X1" ACCOMLPISHED NDT INSPECTION AND INSTALLED DOUBLER REPAIR AS PER
- [SDR UPS01236256](https://openairdocs.org/sdr/UPS01236256.md): Web · cracked · Jun 20, 2001 · N934UP · Boeing 72721C · Fuselage Main, Structure
  > INSPECTION TYPE:C NOSE LANDING GEAR BAY LH SIDE AT BS 259 SIDE WALL HAS A CRACK INICATION. REMOVED ACCESS PANEL #3124 AND LOWER WEB TO GAIN ACCESS TO DAMAGE AREA, CUT OUT DAMAGE AREA APPROX 5"X1" AT NOSE LANDING GEAR BS259 AS PER B727 SRM51-40-2 ACCOMPLISH
- [SDR UPS00234570](https://openairdocs.org/sdr/UPS00234570.md): Landing Gear · faulty · Dec 27, 2000 · N934UP · Boeing 72721C · Landing Gear Retraction/Extension System
  > INSPECTION TYPE:N/A NOSE GEAR DID NOT EXTEND ON FIRST TRY. RECYCLED & NOSEGEAR EXTENDED. JACKED AIRCRAFT, HEATED NOSE WHEEL AREA TO REMOVE ICE. GREASED TRUNI ON, OVERCENTER KNUCKLE, GEAR DOORS. CYCLED GEAR SEVERAL TIMES.
- [SDR 00FDEA00462](https://openairdocs.org/sdr/00FDEA00462.md): Connector · loose · Jul 18, 2000 · N143FE · Boeing 72721C · Landing Gear Position and Warning
  > AFT TAKEOFF WHEN GEAR RETRACTED (GEAR HANDLE UP) RED DOOR LIGHT & 2ND OFF. PNL RIGHT MG DOOR ANNUNCIATOR LIGHT REMAIN ON. FOUND CANNON PLUG FOR RG DOOR SWITCH BACKED OFF. CLEANED PLUG AND ATTACHED SAFETY WIRED PER MM REF 32-62-011-4. OPS CK NORMAL PER 727-1
- [SDR 00FDEA00452](https://openairdocs.org/sdr/00FDEA00452.md): Indicator · inoperative · Jul 14, 2000 · N143FE · Boeing 72721C · Landing Gear Position and Warning
  > UNSAFE NOSE GEAR IND, CYCLED GEAR STILL HAD UNSAFE NOSE GEAR. RELAMPED BOTH BULBS IN IND ON DOWNWIND, GOT SAFE IND. *S/D* PERFORMED OPER CK NOSE GEAR POS IND PER B727-100 MM LAND GEAR POS IND TROUBLESHOOTING 32-61-00-1 AND LAND GEAR LOCK AND POS SWITCHES TE
- [SDR TC8A00011](https://openairdocs.org/sdr/TC8A00011.md): Engine · failed · Jun 28, 2000 · N705A · Boeing 72721C · Engine (Turbine/Turboprop)
  > #1 ENGINE FAILED. RETURNED TO TOL.
- [SDR TC8A00010](https://openairdocs.org/sdr/TC8A00010.md): Pump · failed · Jun 20, 2000 · N705A · Boeing 72721C · Fuel Boost Pump
  > ON TAXI, LEFT AFT BOOST PUMP POPPED CB, COULD NOT RESET. TRANSFERRED TO DMI LIST DMI NR 0090 IAW MEL 28-4 COMPLIED WITH SP 28-1 PAR H, PLACARDS INSTALLED.
- [SDR TC8A00009](https://openairdocs.org/sdr/TC8A00009.md): Start Valve · closed · Jun 17, 2000 · N705A · Boeing 72721C · Engine Start Valves/Controls
  > NR 2 START VALVE CLOSED BEFORE LIGHT OFF RETURNED TO RAMP. PERFORMED MANUAL START PROCEDURES ON NR 2 FIGURE, OPS CHECK NORMAL IAW FLIGHT MANUAL PG 3 NR 34.
- [SDR 00FDEA00391](https://openairdocs.org/sdr/00FDEA00391.md): Door · not closed · Jun 16, 2000 · N144FE · Boeing 72721C · Service Doors
  > AIRFRAME VIBRATION AND HUMMING SOUND. INSP GROUND PWR SERVICE DOOR. NO DEFECTS NOTED. RESECURED DOOR CLOSED.
- [SDR TC8A00005](https://openairdocs.org/sdr/TC8A00005.md): Indicator · inaccurate · Apr 19, 2000 · N705A · Boeing 72721C · Directional Gyro and Indicating System
  > CAPT''S ATTITUDE INDICATOR SHOWS 5 DEGREES BANK.
- [SDR TC800005](https://openairdocs.org/sdr/TC800005.md): Indicator · inaccurate · Apr 19, 2000 · N705A · Boeing 72721C · Directional Gyro and Indicating System
  > CAPT''S ATTITUDE INDICATOR SHOWS 5 DEGREES BANK.
- [SDR 00FDEA00273](https://openairdocs.org/sdr/00FDEA00273.md): Handle · worn · Apr 19, 2000 · N144FE · Boeing 72721C · Landing Gear Selector
  > ON FINAL APPROACH, GEAR HANDLE DOWN, HEARD NOISE. FELT MUSHY. NOSE GEAR AND NOSE DOORS UNSAFE RED LIGHT ON RECYCLED GOT GOOD IND ON ALL 3 GEAR. LANDING GEAR CONTROL HANDLE CABLE TENSION LOW. ADJUSTED PER MM 32-31-000-5 PG 501-505. REMOVED AND REPLACED SEL
- [SDR TC8A00004](https://openairdocs.org/sdr/TC8A00004.md): Hydraulic System · low · Apr 5, 2000 · N705A · Boeing 72721C · Hydraulic Power System
  > DURING TAXI, SYS A-HYD FLUCTUATION IN INDIC. SERVICED A-HYD SYS, OPS CHECK GOOD IAW B727 MM 12-12-0.
- [SDR UPS00232190](https://openairdocs.org/sdr/UPS00232190.md): Line · cracked · Apr 3, 2000 · N934UP · Boeing 72721C · Hydraulic System, Main
  > AIR TURN BACK ON DELIVERY FLIGHT FROM C CHECK AT SNN. CREW EXPERIENCED TOTAL LOSS OF B SYSTEM HYD PRESS. PRESS LINE FROM NR 1 B PUMP TO B SYS PRESS MODULE FOUND FRACTURED AT SLEEVE PRESS LINE CANIBALIZED FROM A/C N912UP TO REPLACE FRACTURED PIPE LINE. HYD S
- [SDR UPS00232144](https://openairdocs.org/sdr/UPS00232144.md): Support Bracket · cracked · Mar 21, 2000 · N934UP · Boeing 72721C · Engine Thrust Reverser
  > INSPECTION TYPE: C, ENGINE NR 1 THRUST REVERSER O/B FAIRING MID SUPPORT BRACKET CRACKED. BRACKET REPLACED AS PER MM 78-30-00
- [SDR UPS00232142](https://openairdocs.org/sdr/UPS00232142.md): Support Bracket · cracked · Mar 20, 2000 · N934UP · Boeing 72721C · Wing Miscellaneous Structure
  > INSPECTION TYPE: C, LT WING, FIXED TE SUPPORT BRACKET CRACKED, AREA BELOW 37 SPOILER I/B HINGE. REPLACED BRACKET IAW SRM 51-30-02
- [SDR TC8A00003](https://openairdocs.org/sdr/TC8A00003.md): Outflow Valve · leaking · Mar 2, 2000 · N705A · Boeing 72721C · Pressure Regulator/Outflow Valve
  > UNABLE TO MAINTAIN CABIN PRESSURE WITH ONE PACK VALVE OPERATING. REMOVED AND REPLACED LT OUTFLOW VALVE IAW B727 21-30-51, OPS CHECK AND LEAK CHECK NORMAL. REMOVED AND REPLACED EQUIPMENT COOLING FLOW CONTROL VALVE IAW B727MM 21-58-21, OP''S CHECK NORMAL. PER
- [SDR TC8A00001](https://openairdocs.org/sdr/TC8A00001.md): Bulb · inoperative · Jan 21, 2000 · N705A · Boeing 72721C · Exterior Lighting
  > OUTBOARD LANDING LIGHT ON RT WING INOP. REMOVED AND REPLACED BULB, OPS CHECK GOOD IAW B727 MM 33-42-0.
- [SDR TC8A99027](https://openairdocs.org/sdr/TC8A99027.md): Wire · failed · Nov 5, 1999 · N705A · Boeing 72721C · Directional Gyro and Indicating System
  > ON TAXI OUT, FLAGS APPEARED ON NR 2 AND NR 2 CDI. REPAIRED WIRE AT NR 2 DG AND SECURED WIRING HARNESS. NR 2 DG, RMI AND CD, OPS CHECK NORMAL IAW B727 MM 34-21-0. NR 2 COMPASS SYSTEM NORMAL.
- [SDR TC8A99026](https://openairdocs.org/sdr/TC8A99026.md): Nav Receiver · failed · Oct 6, 1999 · N705A · Boeing 72721C · VHF Communications System
  > DURING TAXI-OUT, CAPT'S VOR FLAG IN VIEW. REMOVED AND REPLACED NR 1 VHF NAV RCVR AND SYSTEM OPS GOOD IAW BMM 34-31-0.
- [SDR TC8A99025](https://openairdocs.org/sdr/TC8A99025.md): Connector · wet · Sep 18, 1999 · N705A · Boeing 72721C · Hydraulic Pump, Auxiliary
  > NR 2 B-PUMP C/B WILL NOT RESET. BMM 29-12-0, OPERATION OF B-PUMP. EXCESSIVE MOISTURE ON PUMP CONNECTION.
- [SDR TC8A99024](https://openairdocs.org/sdr/TC8A99024.md): Pitot Tube · obstructed · Aug 13, 1999 · N705A · Boeing 72721C · Pitot/Static System
  > AT 80 KTS ON FIRST OFFICER AIRSPEED INDICATOR 0 KTS ON CAPTAINS AIRSPEED INDICATOR, ABORT TAKEOFF. PERFORMED PITOT STATIC LEAK TEST. FOUND OBSTRUCTION IN CAPTS PITOT TUBE. CLEARED TUBE, LEAK CHECK GOOD IAW MM CHAPT 34-11-0 AND FAR PART 43 APPENDIX E.
- [SDR TC8A99023](https://openairdocs.org/sdr/TC8A99023.md): Pitot Tube · obstructed · Aug 7, 1999 · N705A · Boeing 72721C · Pitot/Static System
  > ON TAKEOFF ROLL, CAPT AIRSPEED ALIVE BY 70 KNTS, FIRST OFFICER 0 KTS. ABORT AT 78 KTS IN ACCORDANCE WITH TRANSCONTINENTAL PROCEDURE. NORMAL TAXI IN. REMOVED PITOT LINE FROM AIRSPEED INDICATOR, CAPPED PITOT LINE AT MACH SPEED SWITCH. PRESSURIZED F/O'S PITOT
- [SDR TC8A99022](https://openairdocs.org/sdr/TC8A99022.md): Union · failed · Aug 7, 1999 · N705A · Boeing 72721C · Pitot/Static System
  > AFTER TAKEOFF, CAPT AND FIRST OFFICER AIRSPEED INDICATOR DIFFERENCE OF 50 KTS (FIFTY KNOTS). RETURN TO FIELD. INSPECTED F/O'S PITOT SYSTEM, REMOVED AND REPLACED UNION AT F/O'S PITOT PROBE. PERFORMED FULL RANGE PITOT STATIC LEAK CHECK IN ACCORDANCE WITH B727
- [SDR 99FDEA00268](https://openairdocs.org/sdr/99FDEA00268.md): Warning Switch · inop · Jul 21, 1999 · N144FE · Boeing 72721C · Landing Gear Position and Warning
  > ON DEPART, RT MLG DOOR APPEAR TO REMAIN OPEN EVEN AFTER CYCLING MLG PER RED TAB PROC. REMOVED AND REPLACED RT GEAR DOOR WARN SWITCH PER MM 32-62-011-4 ADJ & TEST PER MM 32-62-011-5. OPS CK GOOD.
- [SDR TC8A99021](https://openairdocs.org/sdr/TC8A99021.md): Generator · malfunctioned · Jul 13, 1999 · N705A · Boeing 72721C · AC Generator-Alternator
  > UNABLE TO PARALLEL NR 2 GENERATOR. TRANSFERRED TO DMI 9233 AS PER TCA B727 MEL 24-1, SPECIAL PROCEDURES 24-1 PLACARDS INSTALLED.
- [SDR 99FDEA00179](https://openairdocs.org/sdr/99FDEA00179.md): Hose · leaks · May 14, 1999 · N144FE · Boeing 72721C · Overheat Detection
  > 99-113 - LWR AFT BODY O/H LIGHT ILLUM. LIGHT WENT OUT AFTER CLOSE NR 1 BLD AND BEFORE TURN OFF NR 1 PACK. 3RD TIME WRITTEN UP. REMOVED AND REPLACED SENSE LINE. OPER AND LEAK CK NORM.
- [SDR 99FDEA00178](https://openairdocs.org/sdr/99FDEA00178.md): Overheat Loop · inoperative · May 13, 1999 · N144FE · Boeing 72721C · Overheat Detection
  > 99-112 - LWR AFT BODY LIGHT ILLUM. LIGHT EXTINGUISH WHEN RT PACK AND RT BLD TURN OFF. REMOVED AND REPLACED LOOP PER MM 26-14-001-4. OPER CK NORM.
- [SDR 99FDEA00175](https://openairdocs.org/sdr/99FDEA00175.md): Overheat Light · malfunctioned · May 12, 1999 · N144FE · Boeing 72721C · Overheat Detection
  > LOWER AFT BODY O/H LIGHT ON. LIGHT WENT OUT WHEN NR 1 BLD AND LT PACK TURN OFF. INSP DUCT IN AFT AIR STAIRS, CEILING, KEEL BEAM AREA AND NO LEAKS FOUND. COULD NOT DUP O/H COND. OK TO CONTINUE SERVICE.
- [SDR TC8A99016](https://openairdocs.org/sdr/TC8A99016.md): Clamp · loose · May 6, 1999 · N705A · Boeing 72721C · Pneumatic Distribution System
  > KMSP-KMSP TRIP NR 03341. ENG NR 3 STRUT O/H OCCURED IN CLIMB, COMPLIED WITH ENG STRUT O/H CHECKLIST. ENG NR 3 FIRE WARNING LIGHT CAME ON DURING CLIMB, COMPLIED WITH ENG FIRE SEVERE DAMAGE SEPARATION CHECKLIST AND SHUT ENG DOWN AND FIRED THE EXTINGUISHER. LI
- [SDR 99FDEA00105](https://openairdocs.org/sdr/99FDEA00105.md): Connector · failed · Mar 17, 1999 · N143FE · Boeing 72721C · Landing Gear Position and Warning
  > AFT T/O, NOSE GEAR FAILED TO RETRACT. CYCLED GEAR TWICE, STILL STAYED DOWN. RETURNED TO MEM, NORM GEAR EXTENSION. *S/D* REMOVED AND REPLACED CANNON PLUG D-300, NOSE GEAR POS SWITCH. OPER CK NORMAL REF 727-100 WIR DIAG 32-64-01 AND 32-64-02, MM 32-61-000-0

Next page: https://openairdocs.org/model/boeing-727-21c/reports.md?page=2

## 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 aircraft_model_key = '72721C'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/model/boeing-727-21c/reports

---
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