# N521US: 1986 Boeing 757-251, registration cancelled 2018-12-06

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: December 6, 2018
- Status when cancelled: Valid registration
- Airframe: [Boeing 757-251](https://openairdocs.org/model/boeing-757-251) (registry code 1384970)
- Engine: [Pratt & Whitney PW2037](https://openairdocs.org/engine/pratt-whitney-pw2037) (registry code 52117)
- Data sheets: [TCDS A2NM](https://openairdocs.org/tcds/A2NM), [TCDS E17NE](https://openairdocs.org/tcds/E17NE) (OpenAirDocs)
- Serial number: 23209
- Year built: 1986
- Type of aircraft: Fixed wing multi engine
- Engine type: Turbo-fan
- Airworthiness: Standard, transport
- Airworthiness date: December 1, 1986
- Certificate issued: December 31, 2009
- Last registry action: June 1, 2016
- Mode S code: A68E78
- 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/N521US
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=521US
- Page: https://openairdocs.org/deregistered/N521US-2018-12-06

From the FAA registry file of October 29, 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 (64, newest 50)

Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.

- [SDR DALA13036875521](https://openairdocs.org/sdr/DALA13036875521), Jul 26, 2013: WIRE. LOOSE. DIVERTED, SMOKE IN THE CABIN. IN GALLEY 1A FOUND WIRE 18 ON PLUG J003 NOT LOCKED IN CONNECTOR. REPINNED WIRE WITH NEW SOCKET. REPLACED OVEN BANK AND LT OVEN CON
- [SDR DALA13035425521](https://openairdocs.org/sdr/DALA13035425521), Jul 18, 2013: LAMP. BURNED OUT. ON S/C, FOUND EMERGENCY ESCAPE PATH RED LIGHT INOPERATIVE BY R2 DOOR. REPLACED LAMPS AND SECURED CONNECTION. LIGHT CHECKED OK. REF AMM 33-51.
- [SDR DALA13009925521](https://openairdocs.org/sdr/DALA13009925521), Mar 2, 2013: BATTERY PACK. INOPERATIVE. EMERGENCY TRACK LIGHTING FROM SEATS 33 AFT INOPERATIVE. R & R POWER PACK. GROUND CHECKED NORMAL IAW AMM 33-51.
- [SDR DALA13009125521](https://openairdocs.org/sdr/DALA13009125521), Feb 22, 2013: FLAP TRACK. CORRODED. NR 2 FLAP TRACK RUST EMINATING FROM AFT MOUNT PAD REMOVED TRACK REF AMM 27-51-15. JACKSCREW 15" OK TO RESTORE FINISH ON LOWER SURFACE OF WING ATTACH POINT RESTO
- [SDR DALA13008365521](https://openairdocs.org/sdr/DALA13008365521), Dec 24, 2012: SKIN. DAMAGED. FUSELAGE SKIN HAS LIGHTNING STRIKES BS 355, S25L & BS 434 S24L & 452, 474, 508, 532 & 540 JUST ABOVE S24L, S23L AT BS 540, 546, 552, 556, 628, 630, 656, S22L AT
- [SDR DALA12017035521](https://openairdocs.org/sdr/DALA12017035521), Dec 20, 2012: SKIN. CRACKED. CRACK INDICATED ON INBD SKIN . CRACK APPROX .250" LONG AT FWD TOP AREA OF CUTOUT. ACCOMPLISHED DETAILED INSPECTION OF THE INBD SKIN IAW PRI 488100-14, REV B, PE
- [SDR DALA12016355521](https://openairdocs.org/sdr/DALA12016355521), Dec 14, 2012: CHARGER. MALFUNCTIONED. ON SERVICE CHECK, FOUND EMERGENCY LIGHTS INOPERATIVE ON FLOOR FROM SEATS 33 TO 38 AND AFT LOWER DOOR EXIT LIGHTS. RESET POWER SUPPLY BATTERY CHARGER ALL LIGHTS 
- [SDR DALA12013255521](https://openairdocs.org/sdr/DALA12013255521), Nov 17, 2012: SLIDE. DETACHED. L4 DOOR ESCAPE SLIDE FOUND DETACHED FROM LOWER HARNESS ATTACH POINT. INSTALLED SAFETY PINS IN ASSIST RESERVOIR & CYL.
- [SDR DALA12012435521](https://openairdocs.org/sdr/DALA12012435521), Nov 8, 2012: SOCKET. INOPERATIVE. EMERGENCY TRACK LIGHTING INOPERATIVE AT SEATS 21 AND 22. REPLACED TRACK LIGHTING SOCKETS. OPS CHECKED GOOD.
- [SDR DALA12011285521](https://openairdocs.org/sdr/DALA12011285521), Oct 26, 2012: BATTERY. INOPERATIVE. OVERHEAD EMERGENCY LIGHT AT 2R INOPERATIVE. FOUND BATTERY AND CHARGER BAD. REPLACED BOTH BATTERY AND CHARGER IAW AMM 33-51-07. CK OK.
- [SDR DALA12007415521](https://openairdocs.org/sdr/DALA12007415521), Sep 15, 2012: LIGHT. INOPERATIVE. EMERGENCY TRACK LIGHT AT 21F INOPERATIVE. REPLACED LIGHT MODULE. OPS OK.
- [SDR DALA12005725521](https://openairdocs.org/sdr/DALA12005725521), Aug 21, 2012: SKIN. DAMAGED. FOA 2 INCH HOLE IN FUSELAGE BELOW AND AFT OF L4 DOOR THRESHOLD OPENED AFT CARGO. INSTALLED REPAIR DOUBLER PER ERA 506410-14 REV ORIG PRI INSTRUCTIONS MATCH ERA5
- [SDR DALA1204075521](https://openairdocs.org/sdr/DALA1204075521), Jan 22, 2012: DOOR. DAMAGED. ON ARRIVAL AT GATE IN MSP CATERING REPORTED A DENT IN DOOR 1R. MAINTENANCE BLENDED TOP AND BOTTOM GOUGES OUT OF DENTS. TOP GOUGE WAS OUT OF LIMITS. DAMAGE WAS C
- [SDR DALA1203105521](https://openairdocs.org/sdr/DALA1203105521), Jan 22, 2012: BATTERY PACK. DISCHARGED. DURING LINE CHECK MAINTENANCE FOUND AFT SECTION EMERGENCY EXIT LIGHTING & 4L-4R DOOR EXIT INOP. MAINTENANCE REPLACED BATTERY PACK PER AMM 33-51. LIGHTS NOW CHEC
- [SDR DALA1171225521](https://openairdocs.org/sdr/DALA1171225521), Dec 26, 2011: WIRE. BROKEN. DURING LINE CHECK MAINTENANCE FOUND EMERGENCY FLOOR TRACK LIGHTS IN ROWS 21 AND 22 INOP. MAINTENANCE REPAIRED BROKEN WIRE FOR LIGHTS AT ROWS 21 & 22. OPERATION 
- [SDR DALA1123735521](https://openairdocs.org/sdr/DALA1123735521), Apr 1, 2011: SILL. CORRODED. ON REMOVAL OF AFT CARGO DOOR SIDE PANEL FOUND CORROSION ON AFT CARGO DOOR SILL. BLENDED CORR AREAS PER SRM 51-10-02. OUT OF LIMITS IAW SRM 53-60-15 FIG 101. REM
- [SDR DALA1123725521](https://openairdocs.org/sdr/DALA1123725521), Apr 1, 2011: PANEL. CORRODED. AFT CARGO BETWEEN STA 1380 TO 1440 RBL 22 TO 25 TOP SURFACE OF SIDE PANEL HAS SEVERAL SPOT OF CORROSION AS MARKED. REMOVED CORROSION TOP & UNDERSIDE IAW SRM 51-
- [SDR DALA1123715521](https://openairdocs.org/sdr/DALA1123715521), Apr 1, 2011: SILL. CORRODED. AFT CARGO BETWEEN STA 1380 T0 1440 RBL 19 TO 25 UNDERNEATH OF DOOR SILL & SIDE PNL FASTENER & NUT PLATE HAS SURFACE CORROSION. BLENDED CORRODED AREAS ON LWR ARE
- [SDR DALA1123515521](https://openairdocs.org/sdr/DALA1123515521), Mar 31, 2011: FRAME. CORRODED. AFT CARGO COMPT FLOOR FRAME AT STA 1460 BILGE FROM S-29L- S-29R AS CORROSION. BLENDED CORRODED IAW SRM 53-00-07. OUT OF LIMITS IAW SRM 53-00-07, FIG 101. TRIMME
- [SDR DALA1123175521](https://openairdocs.org/sdr/DALA1123175521), Mar 30, 2011: SUPPORT ANGLE. CORRODED. ANGLE SUPPORT AFT OF FRAME STN 1440 BETWEEN STR 27R AND S28R EXFOLIATED. REMOVED & INSTALLED NEW CLIP, P/N 146N8515-1, FABRICATED IAW STAM TR T11/876899, IAW SR
- [SDR DALA1123165521](https://openairdocs.org/sdr/DALA1123165521), Mar 30, 2011: STIFFENER. CORRODED. VERTICAL STIFFENER AT FRAME BS 1440 BETWEEN STR 27R AND 28R CORRODED NEAR AFT DOOR SILL. REMOVED & INSTALLED NEW CLIP, FABRICATED IAW STAM TRAVELER #T11/876864.
- [SDR DALA1121805521](https://openairdocs.org/sdr/DALA1121805521), Mar 23, 2011: DOUBLER. CORRODED. FWD CARGO COMPT STA 508 S-27R DOUBLER HAS SURFACE CORROSION AS MARKED. REMOVED CORRODED DOUBLER AND SHEAR TIE, RECEIVED NEW SHEAR TIE FABBED EXT REPAIR DOUBLER 
- [SDR DALA1119845521](https://openairdocs.org/sdr/DALA1119845521), Mar 17, 2011: FLOOR SUPPORT. CORRODED. FLOOR SUPPORT AT BL 0 BETWEEN STN 1640 AND STN 1661 CORRODED AS MARKED. REMOVED CORR IAW SRM 51-10-02. ORIGINAL MAT THICKNESS=.050" OUT OF LIMITS IAW SRM 53-00-
- [SDR DALA1119835521](https://openairdocs.org/sdr/DALA1119835521), Mar 17, 2011: FLOORBEAM. CORRODED. AT RBL 13 BET FLOORBEAM STA 365TO STA 377 BOX BEAM HAS CORROSION AS MARKED. REMOVED BOX BEAM IAW SRM 51-40-02, FABRICATED NEW BOX BEAM AND ANGLES PER DWG 141N51
- [SDR DALA1119205521](https://openairdocs.org/sdr/DALA1119205521), Mar 15, 2011: FLOOR SUPPORT. CORRODED. AFT CARGO COMPARTMENT FLOOR SUPPORT AT STA 1456-1483 RBL 13.0 HAS CORROSION. REMOVED AND INSTALLED FLOOR SUPPORT SPLICERS IAW SRM 51-40-02.
- [SDR DALA1119195521](https://openairdocs.org/sdr/DALA1119195521), Mar 15, 2011: FLOOR SUPPORT. CORRODED. R4 DOOR FWD FLOOR SUPPORT CORRODED AT MANY LOCATIONS AS MARKED. REMOVED, FABRICATED, AND INSTALLED NEW FLOOR SUPPORT AT R4 DOOR FWD SUPPORT IAW SRM 51-40-02.
- [SDR DALA1119185521](https://openairdocs.org/sdr/DALA1119185521), Mar 15, 2011: SILL. CORRODED. LT DOOR SILL WEB AT STN 1663 CORRODED AS MARKED. REMOVED, FABRICATED, AND INSTALLED CHANNEL IAW SRM 51-40-02.
- [SDR DALA1119175521](https://openairdocs.org/sdr/DALA1119175521), Mar 15, 2011: SILL. CORRODED. LT DOOR SILL WEB AT STN 1655 CORRODED AS MARKED. REMOVED, FABRICATED, AND INSTALLED CHANNEL IAW SRM 51-40-02.
- [SDR DALA1119165521](https://openairdocs.org/sdr/DALA1119165521), Mar 15, 2011: SILL. CORRODED. LT DOOR SILL WEB AT STN 1772 CORRODED AS MARKED. REMOVED, FABRICATED, AND INSTALLED CHANNEL IAW SRM 51-40-02.
- [SDR DALA1119155521](https://openairdocs.org/sdr/DALA1119155521), Mar 15, 2011: SILL. CORRODED. L4 DOOR SILL WEB AT STN 1660 EXFOLIATED. FOUND TO BE OUT OF LIMITS IAW SRM 53-60-15 FIG 101. REMOVED, FABRICATED, AND INSTALLED NEW SILL WEB (CHANNEL) IAW SRM 5
- [SDR DALA1119145521](https://openairdocs.org/sdr/DALA1119145521), Mar 15, 2011: FLOOR SUPPORT. CORRODED. R4 DOOR AFT FLOOR SUPPORT CORRODED AT MANY LOCATIONS AS MARKED. REMOVED, FABRICATED, AND INSTALLED IAW SRM 51-40-02.RETAIN FOR RECORDS.
- [SDR DALA1119135521](https://openairdocs.org/sdr/DALA1119135521), Mar 14, 2011: SUPPORT FITTING. CORRODED. CABIN AREA STA 700 NR 3 FROM FWD SCUFF PLATE SUPPORT FITTING AT L2 DOOR SILL HAS CORROSION AS MARKED. REMOVED CORROSION AT BRACKET. BRACKET FOUND TO BE OUT OF L
- [SDR DALA1118165521](https://openairdocs.org/sdr/DALA1118165521), Mar 12, 2011: FLOOR SUPPORT. CORRODED. CABIN AREA BETWEEN STA 700 TO 740 LBL 64-50 FLOOR ANGLE SUPPORT HAS CORROSION. REMOVED CORROSION BETWEEN IAW SRM 51-10-02 ORIGINAL THICKNESS 0.080 L=.500" W=450
- [SDR DALA1118155521](https://openairdocs.org/sdr/DALA1118155521), Mar 12, 2011: FLOOR SUPPORT. CORRODED. FLOORBEAM STA 365 AND BET BL 0 TO RBL 50, PREVIOUSLY REPAIRED FLOOR SUPPORT HAS CORROSION AS MARKED. REMOVED SURFACE CORROSION DEPTH TO BE .027 OUT OF LIMITS PE
- [SDR DALA1118145521](https://openairdocs.org/sdr/DALA1118145521), Mar 11, 2011: FLOOR SUPPORT. CORRODED. BETWEEN FLOORBEAM STA 345 TO STA 365, LBL 25 FLOOR SUPPORT HAS CORROSION AS MARKED. BLENDED CORROSION PER SRM 51-10-02, FOUND TO BE OUT OF LIMITS IAW SRM 53-00-
- [SDR DALA1117075521](https://openairdocs.org/sdr/DALA1117075521), Mar 10, 2011: BOX BEAM. CORRODED. AT RBL 41 BET STA 324 TO STA 345 BOX BEAM HAS CORROSION AS MARKED. BLENDED AREA PER SRM 51-10-02, FOUND TO BE OUT OF LIMITS IAW SRM 53-00-51, FIG 101. REMOVED A
- [SDR DALA1117065521](https://openairdocs.org/sdr/DALA1117065521), Mar 10, 2011: FLOORBEAM. CORRODED. AT LBL 62 BET FLOORBEAM STA 365 TO STA 377 BOX BEAM HAS CORROSION AS MARKED. REMOVED CORROSION, AFTER REWORK, DEPTH (.014) ORIGINAL MAT (.050) OUT OF LIMITS PER
- [SDR DALA1116745521](https://openairdocs.org/sdr/DALA1116745521), Mar 9, 2011: STRUCTURE. CORRODED. PREVIOUS REPAIR AT STN 1640 CORRODED AT 4 LOCATIONS BETWEEN LBL 15 AND RBL 60. BLENDED AREA PER SRM 51-10-02. FOUND TO BE OUT OF LIMITS IAW SRM 53-00-51 FIG 101
- [SDR DALA1116735521](https://openairdocs.org/sdr/DALA1116735521), Mar 9, 2011: FLOORBEAM. CORRODED. PREVIOUS REPAIR AT BS 1640 CORRODED AT 4 LOCATIONS BETWEEN LBL 15 AND LBL 60. REMOVED CORROSION AT STN 1640 FLOORBEAM PER SRM 51-10-02, FOUND TO BE OUT OF LIMIT
- [SDR DALA13033645521](https://openairdocs.org/sdr/DALA13033645521), Dec 17, 2010: SKIN. DENTED. DURING CHECK, A DENT WAS FOUND COMMON TO THE S4R LAP SPLICE AT BS 564. THE DENTED AREA OF THE LAP WAS TRIMMED OUT AND REPAIRED IAW SECT I OF ER/A 13-488107-14. 
- [SDR DALA1035875521](https://openairdocs.org/sdr/DALA1035875521), Dec 16, 2010: SKIN. DENTED. DURING L-CK, DENTS WERE FOUND IN FUSELAGE SKIN AT STA 610 S-15L TO S16L. DENTS WERE CUT OUT AND EXTERNAL DOUBLER WAS INSTALLED. SECTION II PERMANENT REPAIR LIMI
- [SDR DALA1035545521](https://openairdocs.org/sdr/DALA1035545521), Dec 7, 2010: SKIN. DAMAGED. REMOVED DAMAGED UPPER SKIN AND CORE, TAPER SANDED, FABRICATED NEW CORE SECTION, BONDED CORE SECTION AND REPAIR PLIES IAW SRM 51-70-07, PARA 4. FOUND MORE DELAMI
- [SDR DALA1011445521](https://openairdocs.org/sdr/DALA1011445521), May 27, 2010: WIRE. CHAFED. DURING CRUISE AND IN SMOOTH AIR, ALL CABIN EMERGENCY LIGHTS FLICKERED ON AND OFF. MX REPAIRED CHAFED WIRING NEAR DOOR 2L. OPS CHECK WAS GOOD.
- [SDR DALA1011435521](https://openairdocs.org/sdr/DALA1011435521), May 27, 2010: POWER SUPPLY. MALFUNCTIONED. DURING FLIGHT, F/A'S REPORTED EMERGENCY LIGHTS FWD OF DOOR 3 FLICKERING ON AND OFF. MX COULD NOT DUPLICATE AND CHANGED THE POWER SUPPLY. OPS CHECK WAS GOOD.
- [SDR DALA1010965521](https://openairdocs.org/sdr/DALA1010965521), May 22, 2010: SWITCH. FAULTY. FLIGHT CREW REPORTS THE CABIN EMERGENCY LIGHTS CYCLE ON AND OFF WHEN ARMED. MX REPLACED THE F/A ARMING SWITCH. OPS CHECK WAS GOOD.
- [SDR DALA108895521](https://openairdocs.org/sdr/DALA108895521), Apr 27, 2010: POWER SUPPLY. DEFECTIVE. DURING FLIGHT, EMERGENCY SIGNS AND PATH LIGHTS CAME ON INTERMITTENTLY. MAINTENANCE REPLACED THE POWER SUPPLY. OPERATIONAL CHECK WAS GOOD.
- [SDR DALA108885521](https://openairdocs.org/sdr/DALA108885521), Apr 26, 2010: LIGHT. INOPERATIVE. DURING FLIGHT, EMERGENCY OVERHEAD AND FLOOR LIGHTS COME ON INTERMITTENTLY. MAINTENANCE REPLACED THE EMERGENCY LIGHT SWITCH AT THE FLIGHT ATTENDANT PANEL. OPERAT
- [SDR DALA107135521](https://openairdocs.org/sdr/DALA107135521), Apr 2, 2010: BATTERY PACK. INOPERATIVE. EMERGENCY EGRESS LIGHTING FOUND INOP ON OVERNIGHT AT DOOR 2L, DOOR 3L AND ROWS 30, 31. REPLACED PWR SUPPLY AND BATTERY PACKS M732 AND M735, OPS CHECKS OK.
- [SDR DALA100205521](https://openairdocs.org/sdr/DALA100205521), Jan 6, 2010: CYLINDER. INOPERATIVE. DURING OVERNIGHT CHECK, FOUND LT SIDE DOOR EMERGENCY POWER SPRING CYLINDER INOP. MX R & R THE EMERGENCY POWER SPRING CYLINDER. CHECKED GOOD, AND ACFT WAS RETURN
- [SDR NWAA 091275521](https://openairdocs.org/sdr/NWAA%20091275521), Apr 17, 2009: OVEN. SMOKE. IN CRUISE FROM PDX TO MSP, THE OVEN BEGAN TO SMOKE WHEN IT WAS TURNED ON. THE FLIGHT ATTENDANT TURNED THE OVEN OFF AND PULLED THE ASSOCIATED CIRCUIT BREAKER. TH

All 64: https://openairdocs.org/deregistered/N521US-2018-12-06/reports.md

## 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 20060626012369I](https://openairdocs.org/incident/20060626012369I), Jun 26, 2006: Boeing 757251 (N521US), Las Vegas, NV. (-23) Las-dtw, returned to las due to a pressurization problem and that 12 pax had heat and ear injuries. NTSB determined injuries to be minor and later…

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