# Service difficulty reports: N24973 A list on [N24973](https://openairdocs.org/aircraft/N24973.md). Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first. - [SDR CALA2026072618026](https://openairdocs.org/sdr/CALA2026072618026.md): Hinge · missing · Jul 21, 2026 · N24973 · Boeing 7879 · Engine Thrust Reverser > FOUND MISSING BLOCKER DOOR HINGE COVER MISSING UPON ARRIVAL. REF. IPD DMC-B787-A-78-31-14-020-941A-D. ITEM 180. HINDGE COVER REQUIRED. PN- 721Z3562-89 REF. LOG PAGE 9682799 FOR DEFERAL OF ITEM. CDL78AE DURING WALKAROUND FOUND DAMAGED BLOCKER DOOR HINGE PANEL - [SDR CALA2026052016413](https://openairdocs.org/sdr/CALA2026052016413.md): Battery · failed · May 20, 2026 · N24973 · Boeing 7879 · Emergency Lighting > EMERGENCY LIGHT AT DOOR 4R DOES NOT LIGHT UP DURING OPS CHECK MAINT MSG:33-11408. CLASS 08-DOR 4 RH PIME WELLS CONTROL UNIT BATTERY POWER IS FAILED. EMERGENCY WELLS BATTERY REPLACED IAW AMM 33-51-07-02A-520/ 720A-A.TEST SATISFACTORY. - [SDR CALA2026052016411](https://openairdocs.org/sdr/CALA2026052016411.md): Control Unit · failed · May 19, 2026 · N24973 · Boeing 7879 · Emergency Lighting > EMERGENCY LIGHTS AT DOOR 4R DOES NOT LIGHT UP DURING OPS CHECK. MAINT MSG:33-11208 & 33-11408 REPLACEMENT OF WCU & WBU CLASS 8 AT DOOR 4R C/OUT IAW AMM 33-51-07-01A-520/720A-A & 33-51-07-02B/720A-A. TEST SATIS. REPLACEMENT OF WCU & WBU CLASS B AT DOOR 4R C/O - [SDR CALA2026021013658](https://openairdocs.org/sdr/CALA2026021013658.md): Light · inoperative · Feb 8, 2026 · N24973 · Boeing 7879 · Emergency Lighting > AHM DETECTED WELS MSG 33-11229, REMOTE WELS CONTROL UNIT HAS AN INTERNAL FAULT. REF DMC-B787-A-33-50-F1-43A-421A-A TO CONFIRM FAULT. REF CONFIGURATION DWG 2500DD15922 TO AID LOCATING CLASS 29.1 WCU M3351WG01 UNDER SEAT 57D. REPLACED CLASS 29 WCU IAW AMM - [SDR CALA2025080507305](https://openairdocs.org/sdr/CALA2025080507305.md): Light · broken · Aug 4, 2025 · N24973 · Boeing 7879 · Emergency Lighting > EMERGENCY PROXIMITY LIGHT OF SEAT 7D IS BROKEN THE FLOOR PROXIMITY LIGHT OF SEAT 7D WAS REPLACED. GOOD GO TO. REF AMM 33-51-06. - [SDR CALA2025080507304](https://openairdocs.org/sdr/CALA2025080507304.md): Light · broken · Aug 4, 2025 · N24973 · Boeing 7879 · Emergency Lighting > EMERGENCY PROXIMITY LIGHT OF SEAT 10F IS BROKEN, THE FLOOR PROXIMITY LIGHT OF SEAT 10F WAS REPLACED. GOOD TO GO. REF AMM 33-51-06. - [SDR CALA2025050904577](https://openairdocs.org/sdr/CALA2025050904577.md): Oven · fumes · May 8, 2025 · N24973 · Boeing 7879 · Buffet/Galleys > STRONG ELECTRICAL SMELL COMING FROM SEAT 12D FOLLOWED FUMES CHEC KLIST EXAMINED ZONE AS INSTRUCTIONS FROM TOMC, REF TO LOG PAGES #4748025 AND #4747987 FOR SUSPECTED ITEMS WITH ELECTRICAL SMELL. INSPECTION C/OUT AS PER AMM:DMC-B787-A-05-51-99-99A-282A-A REF AMM - [SDR CALA2025022400423](https://openairdocs.org/sdr/CALA2025022400423.md): Light · malfunctioned · Feb 21, 2025 · N24973 · Boeing 7879 · Emergency Lighting > FOUND DR 2L CENTER EXIT LIGHT NOT ILLUMINATED. FOUND DR 2L CTR EMERGENCY EXIT SIGN CONNECTION LOOSED. SECURED THE CONNECTION.OPS CHECK FOR DOOR 2L CTR EMERGENCY LIGHT PASSED IAW AMM 33-51-02-00A-720A-A.PERFORMED BY V943668 IN SIAEC SIN HGR.NRC ELE0024/39509316 - [SDR CALA2025022000389](https://openairdocs.org/sdr/CALA2025022000389.md): Oxygen Box · damaged · Feb 20, 2025 · N24973 · Boeing 7879 · Passenger Oxygen System > FOUND ACR BUNK 6 PSU CONNECTOR MOUNT DAMAGED, WHILE CARRYING OUT PASSENGER OXYGEN BOTTLE INITIATOR GVI. ACR BUNK 6 PSU ASSY REPLACED FOUND SATIS IAW AMM 35-21-00, AIRCRAFT. UPDATED RFID DETAILS UPLOADED THROUGH IPAD 35-21-04 INSTALLATION TEST C/OUT FOUND SATIS - [SDR CALA2025022000388](https://openairdocs.org/sdr/CALA2025022000388.md): Oxygen System · no test · Feb 20, 2025 · N24973 · Boeing 7879 · Passenger Oxygen System > OXYGEN SYSTEM TEST,OXYGEN ZONE 1R TEST CONDITION:FAILED. MM:35-100136 ZONE 1 RIGHT COLUMN HAS AN INTERNAL FAULT. FOUND FCR BUNK 2 PSU INDICATOR FLASHING. FCR BUNK 2 OXYGEN INITIATOR REPLACED FOUND SATIS IAW CMM35-22-29 & FCR BUNK 2 PSU RESTORED FOUND SATIS IAW - [SDR CALA2025022000391](https://openairdocs.org/sdr/CALA2025022000391.md): Light · inoperative · Feb 19, 2025 · N24973 · Boeing 7879 · Emergency Lighting > FOUND SEAT 51F FLOOR PROXIMITY LIGHT NOT ILLUMINATED. 51F EMERGENCY LIGHT REPLACED & INSTALLATION TEST C/OUT FOUND SATISFACTORY IAW AMM 33-51-06. - [SDR CALA2025022000390](https://openairdocs.org/sdr/CALA2025022000390.md): Light · dislodged · Feb 19, 2025 · N24973 · Boeing 7879 · Emergency Lighting > FOUND SEAT 48D FL0OR PROXIMITY LIGHT NOT ILLUMINATED,DISLODGED AND REAR COVER MISSING. SEAT 48D EMERGENCY LIGHT REPLACED & INSTALLATION TEST C/OUT FOUND SATISFACTORY IAW AMM 33-51-06. - [SDR CALA2023110303260](https://openairdocs.org/sdr/CALA2023110303260.md): Light · cracked · Nov 1, 2023 · N24973 · Boeing 7879 · Emergency Lighting > OFCR NEAR R1 DOOR FWD EMER LT ASSY FOUND CRACK REF HAECO NON-ROU TINE NO.:9467901,ORIGINATED BY EMP V905505,EA 3351-01372 REV B OP016. PERFORMED BY EMP V905505,OFCR R1 DOOR FWD EMER LT ASSY REPLACED & LT TEST NORMAL REF AMM 33-51-06-00A-520A/720A REV177,AMM 33 - [SDR CALA2023080202412](https://openairdocs.org/sdr/CALA2023080202412.md): Transceiver · faulty · Aug 1, 2023 · N24973 · Boeing 7879 · Weather Radar System > WX RADAR INT FAIL IN FLIGHT BOTH SIDES. REMOVED AND REPLACED LH, RH WX TRANSCEIVERS AND RADAR ANT PEDESTAL. REF AMM 34-42-02 AND 34-42-03. GROUND TEST PASSED. NO ACTIVE MSG. PARTS USED: 78-3443-9-9003,QTY:1 78-3442-9-0004,QTY:1 1093015,QTY:1 ADD EMP:U104 - [SDR CALA2022101802851](https://openairdocs.org/sdr/CALA2022101802851.md): Light · loose · Oct 18, 2022 · N24973 · Boeing 7879 · Emergency Lighting > EMERGENCY PATH LIGHT ON SEAT 2D MISSING PLASTIC CAP AND HANGING OUT OF SEAT REMOVED AND REPLACED PROXIMITY LIGHT AT 2D. IAW AMM 33-51-06. OPS CHECK NORMAL. OK TO CONTINUE. - [SDR CALA2022070601649](https://openairdocs.org/sdr/CALA2022070601649.md): Hydraulic System · failed · Jul 6, 2022 · N24973 · Boeing 7879 · AC Generation System > HYD PRESS C1 ADVISORY THE MESSAGE IS DISPLAYED WHEN ONE OF THE FOLLOWING CONDITION EXISTS:1.) PUMP IS SELECTED TO OFF AND PUMP PRESSURE IS LOW.2.) PUMP IS COMMANDED TO RUN AND PUMP PRESSURE IS LOW.THIS MESSAGE IS INHIBITED WHEN THE SYSTEM PRESSURE IS LOW OR TH - [SDR CALA2021073001226](https://openairdocs.org/sdr/CALA2021073001226.md): Fastener · missing · Jul 30, 2021 · N24973 · Boeing 7879 · Fuselage Miscellaneous Structure > PDA 3 REMOVED ONE FASTENER ON PANEL 149A FOR PANEL 139C.REMOVED LOCATION 6TH FROM LEFT SIDE ON AFT ROW OF THE PANEL 149A. MADE IN ERROR.SEE LP 6746151. - [SDR CALA2021073001225](https://openairdocs.org/sdr/CALA2021073001225.md): Screw · missing · Jul 30, 2021 · N24973 · Boeing 7879 · Fuselage Main, Keel > PDA 3 ON ARRIVAL FOUND ONE SCREW MISSING ON MID FUSELAGE CENTER KEEL BEAM ACCESS PANEL 139C. MISSING SCREW IS 7TH FROM FWD ON LEFT ROW. UPDATE PICTURES. ONLY ONE SCREW MISSING ON PANEL 139C.COVERED MISSING AREA BY HI SPEED TEPE.INSPECT THE TAPE EVERY 30DAYS.DO - [SDR CALA2020122101403](https://openairdocs.org/sdr/CALA2020122101403.md): Light · cracked · Dec 21, 2020 · N24973 · Boeing 7879 · Emergency Lighting > THE EMERGENCY LIGHT ON G5 LT AFT, G9 LT FWD, G9 RT AFT AND G5 RT AFT FOUND CRACKED. THE EMERGENCY LIGHT ON G5 LT AFT, G9 LT FWD, G9 RT AFT AND G5 RT AFT HAD BEEN REPLACED. PERFORMED OPERATIONAL TEST OF EMERGENCY LIGHT, THE RESULT WAS ''SATIS'', REF TO AMM 3 - [SDR CALA2020121401368](https://openairdocs.org/sdr/CALA2020121401368.md): Connector · disconnected · Dec 14, 2020 · N24973 · Boeing 7879 · Light System Wiring > THE FORWARD FLOOR PROXIMITY LIGHT ON SEAT 6D WAS INOPERABLE, REFER NON -ROUTINE NR 9421248. SPEC NO.B787-33- 3-0002. RE-CONNECTED THE CONNECTORS OF FWD FLOOR PROXIMITY LIGHT ON SEAT 6D. PERFORMED OPERATIONAL TEST OF EMERGENCY LIGHT, THE RESULT WAS ''NORMAL' ## 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 = 'N24973' AND registry_match = 'registration' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/aircraft/N24973/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.