# Service difficulty reports: N231US, cancelled Jan 3, 2018 A list on [N231US, cancelled Jan 3, 2018](https://openairdocs.org/deregistered/N231US-2018-01-03.md). Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first. - [SDR Y2PA20121010049](https://openairdocs.org/sdr/Y2PA20121010049.md): Socket · damaged · Oct 10, 2012 · N231US · Doug DC931 · Emergency Lighting > ROW 13 WHITE EMERGENCY LIGHT IN FLOOR LIGHTS FOUND TO BE INOPERATIVE DURING INSPECTION. MX REPLACED THE LAMP HOLDER ASSY (SOCKET) IAW AMM 33-52-01 AT ROW 13. OPS CHECKED GOOD IAW INSTALLATION MANUAL. - [SDR Y2PA20121010048](https://openairdocs.org/sdr/Y2PA20121010048.md): Socket · damaged · Oct 10, 2012 · N231US · Doug DC931 · Emergency Lighting > LAST RED EMERGENCY LIGHT IN AISLE FLOOR FOUND TO BE INOPERATIVE DURING INSPECTION. MX R & R THE LAST RED EMERGENCY LIGHT LAMP HOLDER ASSEMBLY ON AISLE FLOOR IAW AMM 33-21-27. OPS CHECKED GOOD WITH NO DEFECTS NOTED. - [SDR Y2PA20121010047](https://openairdocs.org/sdr/Y2PA20121010047.md): Battery Pack · discharged · Oct 10, 2012 · N231US · Doug DC931 · Emergency Lighting > EMERGENCY LIGHTS FROM EXIT ROW FORWARD FOUND TO BE INOPERATIVE IN FLOOR DURING INSPECTION. REPLACED THE AFT BATTERY PACK I/A/W DC-9 MM 33-52-01. OPS CHECK WAS GOOD IAW LIGHTING SYSTEMS INSTALLATION MANUAL. ACFT RETURNED TO SERVICE. - [SDR Y2PA20121010046](https://openairdocs.org/sdr/Y2PA20121010046.md): Battery Pack · discharged · Oct 10, 2012 · N231US · Doug DC931 · Emergency Lighting > EMERGENCY LIGHTS FROM EXIT ROW FORWARD FOUND TO BE INOPERATIVE IN FLOOR DURING INSPECTION. REPLACED FORWARD BATTERY PACK I/A/W DC-9 MM 33-52-01. OPS CHECK WAS GOOD IAW LIGHTING SYSTEMS INSTALLATION MANUAL. ACFT RETURNED TO SERVICE. - [SDR Y2PA20120523027](https://openairdocs.org/sdr/Y2PA20120523027.md): Pan · corroded · May 22, 2012 · N231US · Doug DC931 · Fuselage Miscellaneous Structure > FORWARD LOWER CARGO DOOR LOWER PAN CORRODED. MX REMOVED CORRODED PAN AND PERFORMED SPLICE. REPAIR IAW SRM 53-05, FIG 44 AND EA 96-51-02 R1. - [SDR Y2PA2011093000026](https://openairdocs.org/sdr/Y2PA2011093000026.md): Wire · broken · Sep 30, 2011 · N231US · Doug DC931 · Light System Wiring > PASSENGER CABIN EMERGENCY FLOOR ESCAPE PATH LIGHTING FOUND TO BE INOPERATIVE WHILE PERFORMING A SERVICE CHECK. MX FOUND A SHORT IN THE EMERGENCY EXIT FLOOD LIGHT. A WIRE HAD BROKEN AWAY FROM THE LIGHT SOCKET AND GROUNDED. WIRE WAS REPAIRED AND THE SYS OPS C - [SDR Y2PA2011011000001](https://openairdocs.org/sdr/Y2PA2011011000001.md): Wire · damaged · Jan 8, 2011 · N231US · Doug DC931 · Light System Wiring > CABIN OVERHEAD EMERGENCY LIGHTS FOUND INOPERATIVE DURING PERFORMANCE OF AN A-CHECK. MX REPLACED BATTERY PACKS WITH SERVICEABLE. AFTER REPLACEMENT OF BATTERY PACKS, MX FOUND LAST ROW OF EMERGENCY LIGHT REMAINED INOPERATIVE. MX FOUND A PINCHED & FRAYED WIRE - [SDR Y2PA2010112900032](https://openairdocs.org/sdr/Y2PA2010112900032.md): Battery Pack · discharged · Nov 25, 2010 · N231US · Doug DC931 · Emergency Lighting > RT AFT NACELLE LIGHT DOES NOT ILLUMINATE WITH EMERGENCY LIGHT SWITCH. FOUND DURING SERVICE CHECK. MX REPLACED THE EMERGENCY POWER SUPPLY IAW MM33-53-00. ACFT RETURNED TO SERVICE. - [SDR ABXR080145](https://openairdocs.org/sdr/ABXR080145.md): Cusp Web · cracked · Apr 16, 2008 · N231US · Doug DC931 · Fuselage Miscellaneous Structure > CUSP WEB CRACKED AT FS 218, LEFT BUTT LINE 44. INSTALLED REPAIR DOUBLER IAW DC9 SRM 53-01. - [SDR ABXR080144](https://openairdocs.org/sdr/ABXR080144.md): Frame · cracked · Apr 16, 2008 · N231US · Doug DC931 · Fuselage Main, Frame > LONGERON 25 LEFT HAD CRACK INDICATIONS AT BOTH ATTACH FASTENERS TO FRAME AT FS 160. REMOVED AND REPLACED DAMAGED SECTION IAW DC9 SRM. - [SDR ABXR080143](https://openairdocs.org/sdr/ABXR080143.md): Stop Fitting · cracked · Apr 11, 2008 · N231US · Doug DC931 · Emergency Exits > RIGHT AFT OVERWING EXIT DOOR HAD CRACK AT UPPER STOP. REPAIRED RIGHT AFT OVERWING EXIT DOOR AT UPPER STOP IAW DC9 SRM 52-05. - [SDR ABXR070347](https://openairdocs.org/sdr/ABXR070347.md): Bracket · cracked · Sep 27, 2007 · N231US · Doug DC931 · Fuselage Miscellaneous Structure > RIGHT VERTICAL BRACKET CRACKED, STA 69.55 AND X = 10.00. REPLACED BRACKET IAW DC9 SRM 51-30-2 AND 51-30-5. - [SDR ABXR070346](https://openairdocs.org/sdr/ABXR070346.md): Bracket · cracked · Sep 27, 2007 · N231US · Doug DC931 · Fuselage Miscellaneous Structure > LEFT VERTICAL BRACKET CRACKED, STA 69.55 AND X = 10.00. REPLACED BRACKET IAW DC9 SRM 51-30-2 AND 51-30-5. - [SDR ABXR070345](https://openairdocs.org/sdr/ABXR070345.md): Angle · cracked · Sep 27, 2007 · N231US · Doug DC931 · Fuselage Miscellaneous Structure > RIGHT ANGLE CRACKED STA 69.550 TO 83.550 X = 10.00. REPLACED ANGLE IAW DC9 SRM 51-30-2. - [SDR Y2PA200700025](https://openairdocs.org/sdr/Y2PA200700025.md): Frame · cracked · Sep 24, 2007 · N231US · Doug DC931 · Fuselage Main, Frame > DURING INSPECTION TO COMPLY WITH AD 2002-21-09 AND S/B 53-290 NOSE SKIN, STA 73, LBL 10, P/N 5911403-3 FOUND CRACKS ON THE AFFECTED FRAMES, P/N 9911505-5/-6/-7. THE -7 FRAME WAS CRACKED 0.0625 INCHES BEYOND THE 1.125 INCH LIMIT. THE MOD REQUIRED BY S/B 53-29 - [SDR ABXR070344](https://openairdocs.org/sdr/ABXR070344.md): Frame · cracked · Sep 24, 2007 · N231US · Doug DC931 · Fuselage Main, Frame > CENTER FRAME LEFT END CRACKED MORE THAN 1.12 INCH, BUT LESS THAN 2.50 INCH, STA 83.55 AND X = 10.00. REPAIRED FRAME IAW DC9 SRM 53-03, FIGURE 34. ## 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 = 'N231US' AND deregistration_id = 'N231US-2018-01-03' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/deregistered/N231US-2018-01-03/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.