# Service difficulty reports: N7256U, cancelled Jun 13, 2013 A list on [N7256U, cancelled Jun 13, 2013](https://openairdocs.org/deregistered/N7256U-2013-06-13.md). Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first. - [SDR 2001UALA00574](https://openairdocs.org/sdr/2001UALA00574.md): Power Supply · inoperative · Apr 24, 2001 · N7256U · Boeing 727222 · Fuel Flow Indicating > FUEL FLOW INDICATION FOR ALL ENGINES WENT TO ZERO TWICE IN FLIGHT. AIRCRAFT DIVERTED TO MCI. *S/D* THE CAUSE OF THE FUEL FLOW INDICATION TO READ ZERO IS THE FUEL FLOW POWER SUPPLY UNIT. THERE IS ONLY ONE POWER SUPPLY UNIT FOR ALL THREE INDICATORS. THE FU - [SDR 2001UALA00031](https://openairdocs.org/sdr/2001UALA00031.md): Seat · loose · Jan 16, 2001 · N7256U · Boeing 727222 · Passenger Compartment Equipment > DURING TAKEOFF ROW 13 SEATS A, B, C CAME LOOSE FROM THE FLOOR. *S/D* CAUSE UNKNOWN - AMIS ENTRY INDICATED A MISSING FOOT LOCK. FLEET ENGINEERING CONSIDERS THIS AN ISOLATED INCIDENT AND NO HISTORY EXISTS REGARDING LOOSE SEAT ASSEMBLIES AT THIS LOCATION. THE - [SDR 2000UALA00199](https://openairdocs.org/sdr/2000UALA00199.md): Altimeter · intermittent · Apr 18, 2000 · N7256U · Boeing 727222 · Altimeter, Barometric/Encoder > FORTY-FIVE MINUTES INTO FLIGHT CREW REPORTED RADIO PROBLEMS FOR BOTH 1 AND 2. TCAS, OPWS AND LLWS ALERT SYSTEMS ARE INOPERATIVE. DIVERTED TO MCI. *S/D* REMOVED AND REPLACED NR 1 RADIO ALTIMETER, OPERATIONAL NORMAL. - [SDR 99UAL900617](https://openairdocs.org/sdr/99UAL900617.md): Battery · discharged · Nov 24, 1999 · N7256U · Boeing 727222 · Emergency Lighting > RIGHT AFT OVERWING EMERGENCY LIGHT INOPERATIVE. *S/D* REPLACED BATTERIES. - [SDR 99UAL900248](https://openairdocs.org/sdr/99UAL900248.md): Switch · failed · Apr 29, 1999 · N7256U · Boeing 727222 · Leading Edge Slat Position Indicating System > LEADING EDGE FLAPS AMBER LIGHT ON AT P2 PANEL AND NR 5 LEADING EDGE SLAT AMBER LIGHT WAS ON AT SECOND OFFICERS PANEL WITH FLAPS UP. RETURNED TO MIA. *S/D* REPLACED NR 4 LEADING EDGE SLAT EXTEND SWITCH, SYSTEM OPS CHECKS OK. - [SDR 98UAL900013](https://openairdocs.org/sdr/98UAL900013.md): Controller · failed · Jan 8, 1998 · N7256U · Boeing 727222 · Cabin Pressure Controller > CREW REPORTED, CABIN PRESSURE AT 9.2 DIFFERENTIAL AT FLT 330. SWITCHING TO AUTO AND STANDBY WOULD NOT LOWER CABIN PRESSURE DIFFERENTIAL. OUTFLOW VALVE WOULD NOT WORK IN MANUAL AC OR DC. HAD TO CHANGE ALTITUDE TO LOWER CABIN PRESSURE. REPLACED NR 1 AIR DATA - [SDR 97UAL900882](https://openairdocs.org/sdr/97UAL900882.md): Oxy Regulator · defective · Dec 16, 1997 · N7256U · Boeing 727222 · Crew Oxygen System > CREW OXYGEN BOTTLE INDICATION ZERO. DIVERTED TO MSP. *S/D* REPLACED FAULTY REGULATOR AND CHECKED OPERATION. - [SDR 97UAL900739](https://openairdocs.org/sdr/97UAL900739.md): Battery Pack · discharged · Sep 30, 1997 · N7256U · Boeing 727222 · Emergency Lighting > BOTH FORWARD DOOR EMERGENCY SLIDE LIGHTS ARE INOPERATIVE. FOUND BATTERY DISCHARGED. REPLACED BATTERY PACK. - [SDR 97UAL900712](https://openairdocs.org/sdr/97UAL900712.md): Oil Line · loose · Sep 17, 1997 · N7256U · Boeing 727222 · Turbine Engine Oil System > NR 2 ENGINE OIL QUANTITY LOST IN FLIGHT. ENGINE SHUT DOWN WHEN OIL PRESSURE DROPPED. ENGINE SHUT DOWN 20 MINUTES BEFORE LANDING. THE OIL LOSS WAS DUE TO A LOOSE B-NUT AT THE OIL FILTER BYPASS SWITCH. TIGHTENED B-NUT. - [SDR 97UAL900403](https://openairdocs.org/sdr/97UAL900403.md): Air Compressor · failed · May 27, 1997 · N7256U · Boeing 727222 · Potable Water System > ELECTRICAL BURNING SMELL THROUGH OUT CABIN. *S/D* FOUND WATER COMPRESSOR CB POPPED AND WOULD NOT RESET. INSPECTED ALL CABIN LIGHTING AND ELECTRICAL SYSTEMS AND NO FAULTS WERE NOTED. REPLACED THE AIR COMPRESSOR FOR THE WATER SYSTEM. - [SDR 97UAL900145](https://openairdocs.org/sdr/97UAL900145.md): Circuit Card · failed · Feb 20, 1997 · N7256U · Boeing 727222 · Landing Gear Position and Warning > ON SHORT FINAL INTO ORD, THE LEFT GEAR RED LIGHT CAME ON WITH LEFT GEAR GREEN STILL ON. CYCLED GEAR AFTER A GO-AROUND AND OPERATED NORMALLY. REPLACED PRINTED CIRCUIT CARD A-9 IN LANDING GEAR ACCESSORY MODULE. CHECKS O.K. - [SDR 96UAL900755](https://openairdocs.org/sdr/96UAL900755.md): Engine · vibration · Sep 26, 1996 · N7256U · Boeing 727222 · Engine (Turbine/Turboprop) > NR 2 ENGINE VIBRATING ABOVE 3000 POUNDS FUEL FLOW 1.75 EPR 82 PERCENT N1. A METAL RAPPING IS FELT IN THE THROTTLE AT HIGHER POWER SETTINGS. - [SDR 96UAL900701](https://openairdocs.org/sdr/96UAL900701.md): Socket · shorted · Sep 14, 1996 · N7256U · Boeing 727222 · Fire Detection > NR 1 ENGINE FIRE LOOP WILL NOT TEST. REPAIRED SHORT IN LIGHT SOCKET. REPLACED OPERATING POWER UNIT AS PRECAUTIONARY MEASURE. - [SDR 96UAL900700](https://openairdocs.org/sdr/96UAL900700.md): Fuel So Valve · malfunctioned · Sep 14, 1996 · N7256U · Boeing 727222 · Engine Fuel Distribution > DURING START, NR 1 ENGINE STABILIZED MOMENTARILY, THEN SHUT DOWN/FLAMED OUT. FUEL FLOW RANGED BETWEEN 800 AND 1,200 THEN WENT TO ZERO. *S/D* REPLACED FUEL SHUT OFF VALVE, RAN ENGINE AT POWER AND CHECKED GOOD IN ALL PARAMETERS. - [SDR 96UAL900395](https://openairdocs.org/sdr/96UAL900395.md): Lamp · failed · May 31, 1996 · N7256U · Boeing 727222 · Emergency Lighting > LEFT OVERWING EMERGENCY EXIT LIGHT INOP. LAMP BURNED OUT, RELAMPED. - [SDR 96UAL900229](https://openairdocs.org/sdr/96UAL900229.md): Skin · cracked · Mar 29, 1996 · N7256U · Boeing 727222 · Elevator, Plate/Skin > LEFT ELEVATOR HAS A 2.5 INCH CRACK 1 FOOT OUTBOARD OF TRIM TAB PANEL. ALSO, 1 RIVET MISSING AND 5 LOOSE RIVETS. FATIGUE CRACK IN LOWER SKIN OF LEFT ELEVATOR. ELEVATOR REPLACED WITH A SERVICEABLE UNIT. - [SDR 95UAL900248](https://openairdocs.org/sdr/95UAL900248.md): Hyd Motor · failed · Nov 6, 1995 · N7256U · Boeing 727222 · Trailing Edge Flap Control System > HYDRAULIC SYSTEM 'A' DROPPED TO ZERO QUANTITY AND ZERO PRESSURE SHORTLY AFTER TAKEOFF. REPLACED TRAILING EDGE FLAP HYDRAULIC MOTOR DUE TO SHAFT SEAL LEAKAGE. ## 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 = 'N7256U' AND deregistration_id = 'N7256U-2013-06-13' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/deregistered/N7256U-2013-06-13/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.