# N527US: 1987 Boeing 757-251, registration cancelled 2019-02-12 - Type: Cancelled registration (FAA registry, deregistered aircraft) - Cancelled: February 12, 2019 - Status when cancelled: Valid registration - Airframe: [Boeing 757-251](https://openairdocs.org/model/boeing-757-251) (registry code 1384970) - Engine: [Amateur-built UNKNOWN ENG](https://openairdocs.org/engine/amateur-built-unknown-eng) (registry code 99999) - Data sheets: [TCDS A2NM](https://openairdocs.org/tcds/A2NM) (OpenAirDocs) - Serial number: 23842 - Year built: 1987 - Type of aircraft: Fixed wing multi engine - Airworthiness: Standard, transport - Airworthiness date: July 2, 1987 - Certificate issued: February 24, 2017 - Last registry action: February 24, 2017 - Mode S code: A6A4C2 - Owner when cancelled: [Delta Air Lines Inc](https://openairdocs.org/faa-owner/DELTA%20AIR%20LINES%20INC) - Location: [Atlanta, GA](https://openairdocs.org/faa-place/GA/Atlanta) - Owner type: Corporation - Owner's area on the map: 33.6604° N, 84.3865° W: Placed by OpenAirDocs at the center of ZIP code 30354, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based - The mark today: https://openairdocs.org/aircraft/N527US - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=527US - Page: https://openairdocs.org/deregistered/N527US-2019-02-12 From the FAA registry file of November 4, 2026, cancelled registrations. Owners' street addresses are left out. The Mode S code belongs to the N-number, not the airframe. ADs and bulletins for the Boeing 757-251: https://openairdocs.org/model/boeing-757-251.md ## Service difficulty reports (17) Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. - [SDR DALA1137275527](https://openairdocs.org/sdr/DALA1137275527), May 30, 2011: BATTERY PACK. DISCHARGED. EMERGENCY FLOOR LIGHTING FROM L2 DOOR TO AFT GALLEY REMAIN ON WITH COCKPIT SWITCH IN OFF POSITION. LIGHTS ARE VERY DIM. REPLACED AFT EMERGENCY LIGHTS BATTERY PA - [SDR DALA1018305527](https://openairdocs.org/sdr/DALA1018305527), Aug 5, 2010: LIGHT. INOPERATIVE. DURING A LINE CHECK, MX FOUND THE DOOR 2R EMERGENCY EXIT LIGHT INOPERATIVE. MX REPLACED THE EXIT LIGHT ASSY. OPS CHECK WAS GOOD. - [SDR DALA1016575527](https://openairdocs.org/sdr/DALA1016575527), Jul 16, 2010: BATTERY PACK. DISCHARGED. EMERGENCY LIGHT MODULES INOPERATIVE AT BOTH AFT DOORS AT LOWER FORWARD CORNER. REPLACED AFT BATTERY PACK. CHECKED GOOD. - [SDR DALA1016575527Q](https://openairdocs.org/sdr/DALA1016575527Q), Jul 16, 2010: BATTERY PACK. DISCHARGED. EMERGENCY LIGHT MODULES INOPERATIVE AT BOTH AFT DOORS AT LOWER FORWARD CORNER. REPLACED AFT BATTERY PACK. CHECKED GOOD. - [SDR NWAA081365527](https://openairdocs.org/sdr/NWAA081365527), Apr 1, 2008: POWER SUPPLY. INOPERATIVE. DURING OVERNIGHT LINE CHECK, FOUND FLOOR TRACK EMERGENCY LIGHTS ROW 33 TO 40 INOP. MAINTENANCE REMOVED AND REPLACED POWER SUPPLY. OPERATIONAL CHECKED GOOD AND A - [SDR NWAA080105527](https://openairdocs.org/sdr/NWAA080105527), Jan 15, 2008: BATTERY PACK. INOPERATIVE. PILOT REPORTED EMERGENCY LIGHTS INOP. MAINTENANCE REMOVED AND REPLACED FORWARD BATTERY PACK. OPERATIONAL CHECKED GOOD AND AIRCRAFT WAS RETURNED TO SERVICE. - [SDR NWAA074285527](https://openairdocs.org/sdr/NWAA074285527), Dec 18, 2007: PANEL. DEBONDED. DURING "L" CHECK FOUND RT HORIZONTAL STABILIZER UPPER INBOARD PANEL DISBONDED BETWEEN FSS 83-204. REPAIRED PER EA 55-210445 SECTION I. REPEAT INSPECTIONS REQUIR - [SDR 0203345527](https://openairdocs.org/sdr/0203345527), Oct 4, 2002: FLOORBEAM. CRACKED. DURING "L" CHECK FOUND CRACK IN FLOORBEAM UPPER CAP AT BS 700 LBL 25. REPAIRED PER EA 55-191542. - [SDR 0203375527](https://openairdocs.org/sdr/0203375527), Sep 30, 2002: SLIDE. FAILED. WHILE PERFORMING SAMPLING DEPLOYMENT INSPECTION OF DOOR 4R EVACUATION SLIDE, THE LOWER LEFT SUPPORT RIB SEAM RIPPED OPEN. REPLACED THE SLIDE. OPERATIONAL CHECK - [SDR 0202635527](https://openairdocs.org/sdr/0202635527), Aug 11, 2002: HYDRAULIC LINE. LEAKING. JUST AFTER DEPARTURE FROM MSP, THE AIRCRAFT EXPERIENCED A COMPLETE LOSS OF HYDRAULIC FLUID FROM THE LEFT HYDRAULIC SYSTEM. AN EMERGENCY WAS DECLARED WITH ATC AN - [SDR 0102525527](https://openairdocs.org/sdr/0102525527), Jul 15, 2001: CONTROL UNIT. FAULTY. ON DEPARTURE FROM SFO, BOTH ENGINE EPR INDICATIONS WERE ABNORMAL BUT OTHER ENGINE INSTRUMENTS WERE WITHIN PARAMETERS. DURING CLIMB, STATUS MESSAGES APPEARED FOR - [SDR 0004665527](https://openairdocs.org/sdr/0004665527), Dec 30, 2000: FIRE DETECTOR. WHEN STARTING THE LEFT ENGINE THE LEFT FIRE WARNING OCCURRED. FIRE WARNING STOPPED WHEN ENGINE FUEL CONTROL WAS PLACED TO 'CUTOFF'. AIRCRAFT RETURNED TO THE GAT - [SDR 9902135527](https://openairdocs.org/sdr/9902135527), Jun 18, 1999: CONTROL MIXER. MALFUNCTIONED. EN ROUTE DTW-SFO CLIMBING THROUGH FL180, CREW REPORTED UNCOMMANDED RIGHT AILERON MOVEMENT. AN EMERGENCY WAS DECLARED. THE FLIGHT DIVERTED TO ORD AND LANDED WITH - [SDR 9902065527](https://openairdocs.org/sdr/9902065527), Jun 13, 1999: VALVE. FAILED. DURING DESCENT INTO DTW, THE CABIN ALTITUDE WARNING HORN SOUNDED. CABIN ALTITUDE WAS 10,000 FEET. AN EMERGENCY DESCENT WAS INITIATED FROM FL240 TO 10,000 FEET. - [SDR 9508325527](https://openairdocs.org/sdr/9508325527), May 17, 1995: SKIN. CRACKED. DURING PERIODIC CHECK, FOUND A ONE INCH CRACK IN THE NR 1 ENGINE NACELLE STRUT SKIN PANEL, NACELLE STA 115. REPAIRED PANEL P/N 311N3450-11, -13, -15 PER EA 55-9 - [SDR 9508135527](https://openairdocs.org/sdr/9508135527), May 16, 1995: FLOORBEAM. CORRODED. DURING PERIODIC CHECK, FOUND CORROSION ON THE FLOORBEAM UPPER CHORD FS 365. REPAIRED PER EA 55-98478. - [SDR 9503055527](https://openairdocs.org/sdr/9503055527), Feb 24, 1995: COOLING FAN. FAILED. A STRONG ELECTRICAL BURNING SMELL WAS NOTICED IN THE COCKPIT. FOLLOWED COCKPIT OPERATING PROCEDURE AND SMELL WAS EVACUATED, SOURCE WAS UNKNOWN. FOUND THE FORWAR ## FAA accident and incident reports (1) From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. - [Incident 19920402030709I](https://openairdocs.org/incident/19920402030709I), Apr 2, 1992: Boeing 757251 (N527US), Minneapolis, MN. Flight had TCAS alert when it was not on assigned heading at departure. Another aircraft in area. --- 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.