# Service difficulty reports: N257NN

A list on [N257NN](https://openairdocs.org/aircraft/N257NN.md).

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

- [SDR SIMA20260929003](https://openairdocs.org/sdr/SIMA20260929003.md): Light · inoperative · Sep 29, 2026 · N257NN · Emb ERJ170200LR · Emergency Lighting
  > MEL 3350 AUTH# 091538-C REF AML 11380226 FWD RH CORNER PHOTO LUMINESCENT STRIP DOES NOT ILLUMINATE RAR PHOTOLUMINESCENT INDICATOR STRIP LIGHT ON FWD RH CORNER IAW E175 AMM 33-50-21. NO FURTHER DEFECTS NOTED. MEL ITEM RESTORED.
- [SDR SIMA20251206002](https://openairdocs.org/sdr/SIMA20251206002.md): Floorbeam · corroded · Dec 6, 2025 · N257NN · Emb ERJ170200LR · Fuselage Main, Floor Beam
  > SSI 53-23-005-001 CORROSION ON RH FLOOR BEAM AT FR 86, Y= +10.748". (MAJOR REPAIR) (LEVEL 2 CORROSION). BLENDED CORRODED AREA ON RH FLOOR BEAM AT FR 86, Y= +10.748" PER EMB-175 SRM 51-10-03. BLENDED AREA MEASURES (L=- 1.2?, W=.5?, H=.065?) AND IS FOUND TO BE
- [SDR SIMA20251206003](https://openairdocs.org/sdr/SIMA20251206003.md): Stringer · corroded · Dec 6, 2025 · N257NN · Emb ERJ170200LR · Fuselage Main, Longeron/Stringer
  > SSI Z150-002 STRINGER 23L CORRODED BETWEEN FRAMES FR78 AND FR77. (MAJOR REPAIR) (LEVEL2 CORROSION). CORROSION ON STRINGER 23L BETWEEN FRAME 78 AND FRAME 77, FOUND TO HAVE 100% MATERIAL LOSS. LOCATED, DRILLED AND TREATED NEW STRINGER 23L PN: 170-91900-001 BETWE
- [SDR SIMA2025120906001](https://openairdocs.org/sdr/SIMA2025120906001.md): Fitting · worn · Nov 26, 2025 · N257NN · Emb ERJ170200LR · Nacelle/Pylon, Main Frame
  > BEARING ON WING AT UPPER ATTACH POINT OF LT ENGINE UPPER LT PYLON LINK HAS EXCESSIVE PLAY REMOVED LT ENGINE PYLON UPPER ATTACH POINT OTBD FITTING ASSY PER SRM 51-40-08. INSTALLED THE NEW LT ENGINE PYLON UPPER ATTCH POINT OTBD FITTING ASSY IAW AMM 20-10-01, NE4
- [SDR SIMA2025120900015](https://openairdocs.org/sdr/SIMA2025120900015.md): Shear Tie · corroded · Nov 20, 2025 · N257NN · Emb ERJ170200LR · Fuselage Internal Mounting Structure
  > MULTIPLE ATTACHING PARTS ON FRAME 87 CORRODED BEYOND LIMITS. SHEAR TIE CORRODED FR 87, S24L-25L. SHEAR TIE CORRODED FR87, S22L-23L. REMOVED CORRODED SHEAR TIE AT FR 87, S24L-25L IAW SRM 51-40-08. LOCATED & DRILLED NEW SHEAR CLIP IAW SRM 51-40-02. RESTORED
- [SDR SIMA20251209016](https://openairdocs.org/sdr/SIMA20251209016.md): Shear Tie · corroded · Nov 20, 2025 · N257NN · Emb ERJ170200LR · Fuselage Internal Mounting Structure
  > (MAJOR REPAIR) (LEVEL 2 CORROSION) SHEAR TIE FRAME FR86 CORRODED BTWN S23 & 22L. SHEAR TIE CORRODED FR86, S27-28L, SHEAR TIE CORRODED FR86 BTWN S20-21L. BLENDED CORRODED SHEAR TIE FR 86, S22L & 23L IAW SRM 51-10-03, OUT OF LIMITS IAW SRM 51-75-16. LOCATED
- [SDR SIMA20251120017](https://openairdocs.org/sdr/SIMA20251120017.md): Shear Tie · corroded · Nov 20, 2025 · N257NN · Emb ERJ170200LR · Fuselage Internal Mounting Structure
  > SSI #Z150-002 (MAJOR REPAIR) (LEVEL 2 CORROSION) MULTIPLE ATTACHING PARTS ON FRAME 81 CORRODED BEYOND LIMITS. SSI Z150-002 00668/1731 - AFT CARGO STRINGER 21L TO 20L AT FRAME #81 HAS SHEAR TIE WITH CORROSION SSI Z150-002 00560/1634 - SHEAR CLIP ON FRAME FR81 C
- [SDR SIMA20251209019](https://openairdocs.org/sdr/SIMA20251209019.md): Shear Tie · corroded · Nov 20, 2025 · N257NN · Emb ERJ170200LR · Fuselage Internal Mounting Structure
  > SSI# Z150-002 (MAJOR REPAIR) (LEVEL 2 CORROSION) MULTIPLE ATTACHING PARTS ON FRAME 90A CORRODED BEYOND LIMITS. SSI Z150-002 00691/1750 - SHEAR CLIP HAS CORROSION AT FR90 BETWEEN STR 29R-29L SSI Z150-002 00692/1751 - SHEAR TIE HAS CORROSION AT FR90 BETWEEN STR
- [SDR SIMA20251120014](https://openairdocs.org/sdr/SIMA20251120014.md): Shear Tie · corroded · Nov 20, 2025 · N257NN · Emb ERJ170200LR · Fuselage Internal Mounting Structure
  > (MAJOR REPAIR) (LEVEL 2 CORROSION) MULTIPLE ATTACHING PARTS ON FRAME 82 CORRODED BEYOND LIMITS. SHEAR CLIP ON FRAME FR82 CORRODED BETWEEN 23L AND 22L. SHEAR TIE BETWEEN STRINGERS 22L AND 21L IS CORRODED ON FRAME FR 82. SHEAR TIE BETWEEN STRINGERS 21L & 20L
- [SDR SIMA20251120018](https://openairdocs.org/sdr/SIMA20251120018.md): Shear Tie · corroded · Nov 20, 2025 · N257NN · Emb ERJ170200LR · Fuselage Internal Mounting Structure
  > MAJOR REPAIR, MULTIPLE ATTACHING PARTS ON FR 83 CORRODED BEYOND LIMITS. AFT CARGO S20L TO 21L, FR 83 SHEAR TIE CORRODED. AFT CARGO S27L TO 28L, FR 83 SHEAR TIE CORRODED. SHEAR TIE FR 83 CORRODED S22L - 23L INTERCOSTAL ON FRAME FR83 S23L CORRODED. 006
- [SDR SIMA20251120011](https://openairdocs.org/sdr/SIMA20251120011.md): Shear Tie · corroded · Nov 20, 2025 · N257NN · Emb ERJ170200LR · Fuselage Internal Mounting Structure
  > MULTIPLE ATTACHING PARTS ON FRAME 80 CORRODED BEYOND LIMITS. 00553/1627 - SHEAR CLIP ON FRAME FR80 CORRODED BETWEEN 23L AND 22L 00680/1742 - SHEAR TIE ON FRAME FR80 IS CORRODED BETWEEN STRINGERS 28L AND 27L (MAJOR REPAIR)) (LEVEL 2 CORROSION). 00553/1627 - BLE
- [SDR SIMA20251120008](https://openairdocs.org/sdr/SIMA20251120008.md): Shear Tie · corroded · Nov 20, 2025 · N257NN · Emb ERJ170200LR · Fuselage Internal Mounting Structure
  > SSI Z150-002. MULTIPLE ATTACHING PARTS ON FRAME 89 CORRODED BEYOND LIMITS. 00535/1616 - SHEAR CLIP CORRODED ON FRAME FR89 BETWEEN STGR 25L AND 23L 00536/1617 - SHEAR CLIP CORRODED ON FRAME FR89 BETWEEN STGR 23L AND 21L 00539/1620 - STRINGER CLIP ON FRAME 89 AN
- [SDR SIMA20251120012](https://openairdocs.org/sdr/SIMA20251120012.md): Shear Tie · corroded · Nov 20, 2025 · N257NN · Emb ERJ170200LR · Fuselage Internal Mounting Structure
  > SSI Z150-002 MULTIPLE ATTACHING PARTS ON FRAME 75 CORRODED BEYOND LIMITS. 00571/1645 - SHEAR CLIP CORRODED ON FRAME FR75 BETWEEN 25L AND 24L 0572/1646 - SHEAR CLIP CORRODED ON FRAME FR75 BETWEEN 29L AND 29R 00573/1647 - SHEAR CLIP ON FRAME FR75 CORRODED BETWEE
- [SDR SIMA20251120013](https://openairdocs.org/sdr/SIMA20251120013.md): Shear Tie · corroded · Nov 20, 2025 · N257NN · Emb ERJ170200LR · Fuselage Internal Mounting Structure
  > SHEAR CLIP CORRODED ON AFT SIDE ON FRAME FR88 BETWEEN STRINGERS 23L AND 21L. (MAJOR REPAIR)) (LEVEL 2 CORROSION). SHEAR CLIP ON FRAME 88 BETWEEN STRINGER 23L AND 21L HAS 100% MATERIAL LOSS. LOCATED AND DRILLED NEW SHEAR CLIP PN: 170-66201-001 IAW EMBRAER 175 S
- [SDR SIMA20251120002](https://openairdocs.org/sdr/SIMA20251120002.md): Frame · corroded · Nov 20, 2025 · N257NN · Emb ERJ170200LR · Fuselage Main, Frame
  > SSI Z150-002 FRAME FR90A IS CORRODED ON AFT FACE BETWEEN STGR 27L AND 25L. (LEVEL 2 CORROSION). BLENDED ON CORROSION ON AFT FACE BETWEEN 27L AND 25L PER EMB 175 SRM 51-10-03. ORIGINAL MATERIAL THICKNESS.032" PER EMB 175 SRMI 53-30-04-10. MATERIAL LOSS.018",
- [SDR SIMA20251120003](https://openairdocs.org/sdr/SIMA20251120003.md): Support · corroded · Nov 20, 2025 · N257NN · Emb ERJ170200LR · Fuselage Miscellaneous Structure
  > SSI Z150-002 MULTIPLE ATTACHING PARTS ON FRAME 78 CORRODED BEYOND LIMITS. (MAJOR REPAIR)) (LEVEL 2 CORROSION). 00562/1636 - SHEAR CLIP ON FRAME FR78 CORRODED BETWEEN 23L AND 22L 00675/1738 - BAGGAGE SUPPORT ON FRAME FR78 CORRODED BETWEEN STRINGERS 29L AND 29R
- [SDR SIMA20251120004](https://openairdocs.org/sdr/SIMA20251120004.md): Shear Tie · corroded · Nov 20, 2025 · N257NN · Emb ERJ170200LR · Fuselage Internal Mounting Structure
  > SSI Z150-002 MULTIPLE ATTACHING PARTS ON FRAME 77 CORRODED BEYOND LIMITS. (MAJOR REPAIR)) (LEVEL 2 CORROSION). 00563/1637 - SHEAR CLIP ON FRAME FR77 CORRODED BETWEEN 23L AND 22L 00564/1638 - SHEAR CLIP ON FRAME FR77 CORRODED BETWEEN 25L AND 24L 00670/1733 - SH
- [SDR SIMA20251120006](https://openairdocs.org/sdr/SIMA20251120006.md): Shear Tie · corroded · Nov 20, 2025 · N257NN · Emb ERJ170200LR · Fuselage Internal Mounting Structure
  > SSI Z150-002 MULTIPLE ATTACHING PARTS ON FRAME 85 CORRODED BEYOND LIMITS. 00554/1628 - SHEAR CLIP ON FRAME FR85 CORRODED BETWEEN 28L AND 27L 00556/1630 - SHEAR CLIP ON FRAME FR85 CORRODED BETWEEN 25L AND 24L (MAJOR REPAIR)) (LEVEL 2 CORROSION). 00554/1628 - BL
- [SDR SIMA20251120007](https://openairdocs.org/sdr/SIMA20251120007.md): Shear Tie · corroded · Nov 20, 2025 · N257NN · Emb ERJ170200LR · Fuselage Internal Mounting Structure
  > SSI Z150-002 MULTIPLE ATTACHING PARTS ON FRAME 79 CORRODED BEYOND LIMITS. (MAJOR REPAIR)) (LEVEL 2 CORROSION). 00561/1635 - SHEAR CLIP ON FRAME FR79 CORRODED BETWEEN 23L AND 22L 00667/1730 - AFT CARGO STRINGER 22L TO 21L AT FRAME #79 HAS SHEAR TIE WITH CORROSI
- [SDR SIMA20251120009](https://openairdocs.org/sdr/SIMA20251120009.md): Shear Tie · corroded · Nov 20, 2025 · N257NN · Emb ERJ170200LR · Fuselage Internal Mounting Structure
  > SSI Z150-002 MULTIPLE ATTACHING PARTS ON FRAME 76 CORRODED BEYOND LIMITS. (MAJOR REPAIR)) (LEVEL 2 CORROSION). 00663/1726 - AFT CARGO CENTER FLOOR SUPPORT HAS CORROSION AT FRAME #76 BETWEEN STRINGER 29L AND 29R. 00565/1639 - SHEAR CLIP ON FRAME FR76 CORRODED B
- [SDR SIMA20251120005](https://openairdocs.org/sdr/SIMA20251120005.md): Shear Tie · corroded · Nov 20, 2025 · N257NN · Emb ERJ170200LR · Fuselage Internal Mounting Structure
  > SSI Z150-002 MULTIPLE ATTACHING PARTS ON FRAME 84 CORRODED BEYOND LIMITS. 00557/1631 - SHEAR CLIP ON FRAME FR84 CORRODED BETWEEN 23L AND 22L 00689/1749 - SHEAR TIE HAS CORROSION AT FR84 BETWEEN STR 22L-21L. (MAJOR REPAIR)) (LEVEL 2 CORROSION). 00557/1631 - BLE
- [SDR SIMA20251120010](https://openairdocs.org/sdr/SIMA20251120010.md): Stringer · corroded · Nov 20, 2025 · N257NN · Emb ERJ170200LR · Fuselage Main, Longeron/Stringer
  > SSI Z150-002 STRINGER 21L CORRODED IN SEVERAL SPOTS BETWEEN FRAMES FR88 AND FR89. (MAJOR REPAIR)) (LEVEL 2 CORROSION). REMOVED STRINGER 21L FROM FR 79 - FR 90, AND STRINGER SPLICE AT FR 79 - FR 80 REF EMB 175 SRM 51-40-08. PART# 170-91898-003. LOCATED, DRILLED
- [SDR SIMA20251114001](https://openairdocs.org/sdr/SIMA20251114001.md): Seat Track · corroded · Nov 14, 2025 · N257NN · Emb ERJ170200LR · Fuselage, Seat/Cargo Attach Fittings
  > SSI 53-23-005-0001CORROSION ON LH AFT SEAT TRACK AT FR 84, Y= -10.748. (MAJOR REPAIR)) (LEVEL 2 CORROSION). BLENDED CORROSION FROM AFT R/H SEAT TRACK PER EMB-175 SRM 51-10-03. CORROSION WAS NOTED ON THE CROWN TEETH SECTION AND THE UPPER FLANGE, BOTH SECTIONS W
- [SDR SIMA20251112005](https://openairdocs.org/sdr/SIMA20251112005.md): Floorbeam · corroded · Nov 12, 2025 · N257NN · Emb ERJ170200LR · Fuselage Main, Floor Beam
  > 53-23-005-0001 CORROSION ON LH FLOOR BEAM AT FR 86, Y= -10.748". (MAJOR REPAIR)) (LEVEL 2 CORROSION). BLENDED CORRODED AREA ON LH FLOOR BEAM AT FR 86, Y= -10.748" PER EMB-175 SRM 51-10-03. BLENDED AREA MEASURES (L- =1?, W=.5?, H=.067 FOUND TO BE OUT OF LIMITS
- [SDR SIMA20251112006](https://openairdocs.org/sdr/SIMA20251112006.md): Seat Track · corroded · Nov 12, 2025 · N257NN · Emb ERJ170200LR · Fuselage, Seat/Cargo Attach Fittings
  > 53-23-005-0001 CORROSION ON RH AFT SEAT TRACK BETWEEN FR 81-FR 84, Y= +10.748. (MAJOR REPAIR)) (LEVEL 2 CORROSION). CUT AND REMOVED THE DAMAGED SEGMENT ON AFT RH SEAT TRACK BETWEEN FR 81 AND FR 85 IAW EMB 175 SRM 53-00-10 REPAIR 01 AND ETN-EJ-53-010. FABRICATE
- [SDR SIMA20251111002](https://openairdocs.org/sdr/SIMA20251111002.md): Seal Rest · corroded · Nov 11, 2025 · N257NN · Emb ERJ170200LR · Fuselage Main, Structure
  > 53-21-009-0873 FWD CARGO DOOR CUTOUT HAS CORROSION ON OB FUSELAGE SIDE WHERE SCUFF PLATE ATTACHES AT FWD BOTTOM EDGE OF CARGO DOOR CUTOUT. (MAJOR REPAIR)) (LEVEL 2 CORROSION). BLENDED CORROSION ON FWD CARGO DOOR CUTOUT ON OB FUSELAGE SIDE WHERE SCUFF PLATE ATT
- [SDR SIMA20251104002](https://openairdocs.org/sdr/SIMA20251104002.md): Pin · corroded · Nov 4, 2025 · N257NN · Emb ERJ170200LR · Horizontal Stabilizer Miscellaneous Structure
  > 55-10-021-0150 CORROSION ON LH HORIZONTAL STAB PIN. (MAJOR REPAIR)) (LEVEL 2 CORROSION). REMOVED AND REPLACED WITH NEW LH HORIZONTAL EXTERNAL HINGE PIN P/N 170-62007-001 HSTA OP CHECKED GOOD IAW E175 AMM 27-41-03. AMM 27-40-00. HORIZONTAL STABILIZER OP CHECKED
- [SDR SIMA20250901001](https://openairdocs.org/sdr/SIMA20250901001.md): Light · missing · Sep 1, 2025 · N257NN · Emb ERJ170200LR · Emergency Lighting
  > EMERGENCY PHOTOLUMINESCENT INDICATOR STRIP MISSING IN FRONT OF 1D INSTALLED MISSING PHOTOLUMINESCENT INDICATOR STRIP IN FRONT OF 1D IAW ERJ 175 AMM 33-50-21. OPS CHECK GOOD. NO FURTHER DEFECTS NOTED.
- [SDR SIMA20250510001](https://openairdocs.org/sdr/SIMA20250510001.md): Flashlight Assy · inoperative · May 10, 2025 · N257NN · Emb ERJ170200LR · Emergency Equipment
  > FLIGHT ATTENDANT 1 FRONT STATION EMERGENCY FLASHLIGHT INOP. RAR FA1 EMERGENCY FLASHLIGHT ASSEMBLY IAW AMM MPP 33-51-01
- [SDR SIMA202401310001](https://openairdocs.org/sdr/SIMA202401310001.md): Battery · inoperative · Jan 30, 2024 · N257NN · Emb ERJ170200LR · Emergency Lighting
  > PAX CABIN EMERGENCY CEILING LIGHT NUMBER 1 IS OUT. REMOVED AND REPLACED BATTERY 2 EMERGENCY LIGHT POWER UNIT IAW AMM 33-50-01. TESTED SATISFACTORY
- [SDR SIMA20230310002](https://openairdocs.org/sdr/SIMA20230310002.md): Sign · inoperative · Mar 10, 2023 · N257NN · Emb ERJ170200LR · Emergency Lighting
  > AFT PAX FWD LOWER EMERGENCY EXIT LIGHT INOP-C/A-REPLACED AFT PAX FWD LOWER EMERGENCY EXIT LIGHT PER E175 AMM 33-50-10, PERFORMED OPERATIONAL TEST ON EMERGENCY LIGHT PER E175 AMM 33-50-00. PASSED OPS TEST
- [SDR SIMA20230306003](https://openairdocs.org/sdr/SIMA20230306003.md): None · none · Mar 6, 2023 · N257NN · Emb ERJ170200LR · Service Doors
  > R-1 DOOR FLEX BALL CABLE MIGRATING-C/A-REMOVED, REPLACED, AND ADJUSTED FWD SERVICE DOOR (R1) FLEX BALL CABLE AND EMERGENCY EVACUATION SLIDE MECHANISM, CHECKED GOOD IAW EMB 175 AMM 52-41-40
- [SDR SIMA20230306001](https://openairdocs.org/sdr/SIMA20230306001.md): None · none · Mar 6, 2023 · N257NN · Emb ERJ170200LR · Passenger/Crew Doors
  > L 1 DOOR FLEX BALL CABLE MIGRATING-C/A-REMOVED, REPLACED AND ADJUSTED L 1 DOOR FLEX BALL CABLE IAW E175 AMM 52-11-40 AND AMM 52-11-52, OPS CHECK GOOD
- [SDR SIMA20230306002](https://openairdocs.org/sdr/SIMA20230306002.md): Control Cable · failed · Mar 6, 2023 · N257NN · Emb ERJ170200LR · Passenger/Crew Doors
  > L 2 DOOR EMERGENCY SLIDE CABLE ASSY MECHANISM IS MIGRATING-C/A-REMOVED, REPLACED, AND ADJUSTED L 2 DOOR EMERGENCY SLIDE CABLE IAW E175 AMM 52-12-40 AND AMM 52-12-52
- [SDR SIMA20220204004](https://openairdocs.org/sdr/SIMA20220204004.md): None · none · Feb 4, 2022 · N257NN · Emb ERJ170200LR · Standard Practices/Structures
  > AT FL 350 IN LIGHT CHOP, RECEIVED HIGH SPEED AURAL WARNING FOR APPROX 2 SECONDS. MAX SPEED OBSERVED WAS 283 KTS, HIGHEST MACH OBSERVED UNKNOWN-C/A-PERFORMED OVERSPEED PHASE I INSPECTION AND DEFERRED FDR ANALYSIS IAW EMB 175 AMM 05-50-06. NO DISCREPANCIES NOTED
- [SDR SIMA2020022019002](https://openairdocs.org/sdr/SIMA2020022019002.md): Housing · cracked · Feb 19, 2020 · N257NN · Emb ERJ170200LR · Emergency Lighting
  > PCR: FWD SERVICE DOOR TRIM EMERGENCY LIGHT FRAME CRACKED-C/A-REMOVED AND REPLACED SERVICE DOOR TRIM EMERGENCY LIGHT IAW EMB 175 AMM 33-50-15. OPERATIONAL CHECK GOOD.
- [SDR SIMA2020022019003](https://openairdocs.org/sdr/SIMA2020022019003.md): Light · weak · Feb 19, 2020 · N257NN · Emb ERJ170200LR · Emergency Lighting
  > PCR: FLOOR PROXIMITY LIGHT #2 WEAK-C/A-REMOVED AND REPLACED #2 FLOOR PROXIMITY LIGHT IAW EMB175 AMM 33-50-21.OPC GOOD.
- [SDR SIMA201808098002](https://openairdocs.org/sdr/SIMA201808098002.md): Light · damaged · Aug 8, 2018 · N257NN · Emb ERJ170200LR · Emergency Lighting
  > FWD RIGHT EMERGENCY LIGHT STRIP WAS DAMAGED. REMOVED AND REPLACED THE LIGHT STRIP IAW MM 33-50-21.

## 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 = 'N257NN' AND registry_match = 'registration'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/aircraft/N257NN/reports

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