# Service difficulty reports: JASC 3416

A list on [JASC 3416](https://openairdocs.org/jasc/3416.md).

Reports filed under 3416 · Altimeter, Barometric/Encoder, newest first.

Page 1 of 26 · 1,256 reports

- [SDR AALA202607095660](https://openairdocs.org/sdr/AALA202607095660.md): Altimeter · defective · Jul 6, 2026 · N758US · Airbus A319112
  > AIRCRAFT WAS NOT GROUNDED: AN EMERGENCY WAS DECLARED INTO RSW DUE TO THE FLIGHT CREW REPORTING THAT AFTER TAKEOFF AND GEAR RETRACTION, RECEIVED MASTER WARNING L/G DOWN MULTIPLE TIMES. AFTER LANDING, NAV RA DEGRADED CAUTION MESSAGE. MAINTENANCE RESET RADIO ALT'
- [SDR UIEA2026062400539](https://openairdocs.org/sdr/UIEA2026062400539.md): Altimeter · faulted · Jun 25, 2026 · N473MC · Boeing 74745E
  > FOUND INDICATORY ASSY STBY ALTM FUNCTION FAIL IAW AMM 34-13-02-24-19 & AMM 34-13-02-424-020, REV 116. REPLACED STANDBY ALTIMETER AND PFM TEST OF STANDBY ALTIMETER. RESULT WAS SATISFACTORY.
- [SDR AALA202606081704](https://openairdocs.org/sdr/AALA202606081704.md): Antenna · no test · Jun 6, 2026 · N827NN · Boeing 737823
  > AIRCRAFT WAS GROUNDED: UPON DEPARTURE, AIRCRAFT LATERAL NAVIGATION WOULD NOT ENGAGE. LOST FLIGHT DIRECTORS AFTER ATTEMPTING TO ENGAGE HEADING MODE. AUTOPILOT AND AUTO THROTTLE WOULD NOT ENGAGE. GEAR HORN WOULD NOT EXTINGUISH. PWS LIGHT ILLUMINATED AT THE SAM
- [SDR AALA202606085041](https://openairdocs.org/sdr/AALA202606085041.md): Antenna · no test · Jun 6, 2026 · N827NN · Boeing 737823
  > AIRCRAFT WAS GROUNDED: UPON DEPARTURE, AIRCRAFT LATERAL NAVIGATION WOULD NOT ENGAGE. LOST FLIGHT DIRECTORS AFTER ATTEMPTING TO ENGAGE HEADING MODE. AUTOPILOT AND AUTO THROTTLE WOULD NOT ENGAGE. GEAR HORN WOULD NOT EXTINGUISH. PWS LIGHT ILLUMINATED AT THE SAM
- [SDR AALA202606086816](https://openairdocs.org/sdr/AALA202606086816.md): Antenna · no test · Jun 6, 2026 · N827NN · Boeing 737823
  > AIRCRAFT WAS GROUNDED: UPON DEPARTURE, AIRCRAFT LATERAL NAVIGATION WOULD NOT ENGAGE. LOST FLIGHT DIRECTORS AFTER ATTEMPTING TO ENGAGE HEADING MODE. AUTOPILOT AND AUTO THROTTLE WOULD NOT ENGAGE. GEAR HORN WOULD NOT EXTINGUISH. PWS LIGHT ILLUMINATED AT THE SAM
- [SDR AALA202606080382](https://openairdocs.org/sdr/AALA202606080382.md): Antenna · no test · Jun 6, 2026 · N827NN · Boeing 737823
  > AIRCRAFT WAS GROUNDED: UPON DEPARTURE, AIRCRAFT LATERAL NAVIGATION WOULD NOT ENGAGE. LOST FLIGHT DIRECTORS AFTER ATTEMPTING TO ENGAGE HEADING MODE. AUTOPILOT AND AUTO THROTTLE WOULD NOT ENGAGE. GEAR HORN WOULD NOT EXTINGUISH. PWS LIGHT ILLUMINATED AT THE SAM
- [SDR FDEA202605240648](https://openairdocs.org/sdr/FDEA202605240648.md): Altimeter · malfunctioned · May 24, 2026 · N112FE · Boeing 7673S2F
  > AT FL380 JAKARTA ATC SAID WE WERE INDICATING FL367. WE WERE INDICATING FL380 CAPTAIN, FL380 F/O AND FL381 STDBY. NOTHING ABNORMAL WITH SINGAPORE ATC. CREW DEBRIEF, NO ISSUE WITH SINGAPORE ATC. INSPECTED PITOT TUBE FOR ANY DEBRIS IAW B767 AMM AS ABOVE
- [SDR CNMA2026030002](https://openairdocs.org/sdr/CNMA2026030002.md): Altimeter · inoperative · Mar 31, 2026 · N351AX · Boeing 76733A
  > CA ALTIMETER INOP. FLAGGED OFF AT 25,000 FT.
- [SDR G1IA20260330107](https://openairdocs.org/sdr/G1IA20260330107.md): Altimeter · failed · Mar 30, 2026 · N5DM · Pilats PC1245
  > CLIMBING THROUGH 190 THE PILOT SIDE ALTIMETER FAILED, ON DECENT IT STARTED WORKING AGAIN UPON REACHING 17,000. DECLARED AN EMERGENCY TO ATC.
- [SDR ABXA20260330138](https://openairdocs.org/sdr/ABXA20260330138.md): Altimeter · faulted · Mar 30, 2026 · N1361A · Boeing 76731B
  > ON APPROACH, GEAR NOT DOWN EICAS AND BELL AT 2500 FEET FOLLOWED BY LAND 2 NO LAND 3 ON ASA. ACCOMPLISHED LAST FLIGHT FAULTS ON MCDP AND RADIO ALTIMETER TESTS IAW B767 AMM 22-00-02 AND 34-33 FAULT TREE 810, NO DEFECTS NOTED AT THIS TIME, AC DOWNGRADED TO CATI
- [SDR IPXA2026032684640](https://openairdocs.org/sdr/IPXA2026032684640.md): Altimeter · faulted · Mar 26, 2026 · N403UP · Boeing 75724APF
  > DURING DESCEND GEAR NOT DOWN CONFIG LIGHT ON AFTER EXTENDING FLAPS GEAR NOT DOWN WARNING SOUNDED RR LEFT RADIO ALTIMETER IAW B757AMM 33-01-404-005 OPS CHECK NORMAL
- [SDR BJNA202603120002](https://openairdocs.org/sdr/BJNA202603120002.md): Altimeter · faulted · Mar 11, 2026 · N701VL · Boeing 7377H4
  > ON TAKE OFF AT UPWIND IAS DISAGREE QRH 10.17 QRH 10.1 CAPT IAS INDICATOR SHOWING SLOW ON CRUISE ALTIMETERS DISAGREE AP+FD DISSENGAGED. FLUSHED PITOT STATIC SYSTEM IAW AMM 34-11-00-170-802, SYSTEMS OPERATIONAL CHECK IAW FIM 73-28 TASK 803 SATISFACTORY AT THIS T
- [SDR G1IA20260212105](https://openairdocs.org/sdr/G1IA20260212105.md): Altimeter · inoperative · Feb 13, 2026 · N5DM · Pilats PC1245
  > NR 1 ALTIMETER FAILED DURING DESCENT INTO GUP FROM FL230.
- [SDR DXTA2026010606414](https://openairdocs.org/sdr/DXTA2026010606414.md): Altimeter · out of tolerance · Jan 2, 2026 · N429QS · Emb EMB505
  > AT FL180 STANDBY ALTIMETER READS 90 FEET ABOVE TOLERANCE CORRECTIVE ACTION: PERFORMED A GVI OF STANDBY PITOT TUBE, NO DAMAGE OR OBSTRUCTIONS NOTED, PER TASK 34-11-02-210-801A. PERFORMED TASK 34-11-02-100-801A PITOT-STATIC PROBE -DRAIN HOLE CLEANING. GAINED ACC
- [SDR QR9R2025051600002](https://openairdocs.org/sdr/QR9R2025051600002.md): Altimeter · failed · May 16, 2025 · Bolkms BK117C2
  > ABORTED TAKEOFF FOR RADAR ALTIMETER DID NOT DISPLAY ON ND OR PFD DURING RUN-UP. REMOVED AND REPLACED RADAR ALTIMETER IAW REF. COM/NAV 34-41-01. MOC SUCCESSFULLY COMPLETED.
- [SDR DALA2025050803586](https://openairdocs.org/sdr/DALA2025050803586.md): Indicator · faulted · May 7, 2025 · N196DN · Boeing 767332
  > SHIP 0196 -DIV- FLIGHT DIVERTED TO JFK DUE TO F/O ELECTRIC ALTIMETER FLAG IN VIEW. CORRECTIVE ACTION: REPLACED INDICATOR. (LP 7079394)
- [SDR QR9R2025040400001](https://openairdocs.org/sdr/QR9R2025040400001.md): Altimeter · inaccurate · Apr 4, 2025 · Bolkms BK117C2
  > STANDBY ALTIMETER MORE THAN 70 OFF FROM PRESSURE SETTING DURING START RUN-UP. REMOVED AND REPLACED ALTIMETER IAW AMM 34-14-01, 4-1. MOC SUCCESSFULLY COMPLETED.
- [SDR QR9R2025031700003](https://openairdocs.org/sdr/QR9R2025031700003.md): Altimeter · failed · Mar 17, 2025 · Bolkms BK117C2
  > RADAR ALTIMETER DISPLAY INTERMITTENT AT FIRST, THEN FAILED IN FLIGHT. REMOVED AND REPLACED RADAR ALTIMETER IAW HONEYWELL KRA 405B RADAR ALTIMETER INSTALLATION MANUAL AND BK117 C-2 COM-NAV 34-41-01.
- [SDR DALA2025021901231](https://openairdocs.org/sdr/DALA2025021901231.md): Altimeter · faulted · Feb 16, 2025 · N1200K · Boeing 767332
  > SHIP 1200 -RVSM- ALT DISAGREE CAUTION CLIMBING THROUGH FL260. AT FL360 CAPTAIN 36250, FO 36000, STBY 36700. CAPTAIN AIRSPEED 280 KIAS, FO 270, STBY 270. CORRECTIVE ACTION: T/S PER B767 FIM TASK 34-12-00-815-804 ADC NO FAULT. DUE TO HISTORY REMOVED AND REPLACED
- [SDR FDEA202502140228](https://openairdocs.org/sdr/FDEA202502140228.md): Altimeter · failed · Feb 14, 2025 · N732FD · Airbus A300B4605R
  > DURING THE CLIMB, FOS ALTIMETER WAS ERRATIC, FLUCTUATING ABOUT 500FT. PERFORMED PITOT STATIC TEST AND PUMPED UP AIRSPEED AND ALTITUDE, NOTED BOTH CAPTAIN'S AND FIRST OFFICERS ALTIMETERS CLIMBED EVENLY WITH NO ERRADIC FLUCUATIONS NOTED REF A300-600 M/M. REMOV
- [SDR QR9R2025021000002](https://openairdocs.org/sdr/QR9R2025021000002.md): Altimeter · inoperative · Feb 10, 2025 · Bolkms BK117C2
  > RADAR ALTIMETER INOP DURING START RUN-UP. REMOVED AND REPLACED IAW RADAR ALTIMETER INSTALLATION MANUAL 006-10536-0010. MTF SUCCESSFULLY COMPLETED IAW RFM, NO DEFECTS NOTED.
- [SDR CALA2025010201747](https://openairdocs.org/sdr/CALA2025010201747.md): Indicator · failed · Dec 30, 2024 · N661UA · Boeing 767322
  > CAPTAIN ALTIMETER FAILED ON TAKEOFF BETWEEN 4000 AND 5000 FEET. FIM TASK 34-12 FAULT TREE 805 FOLLOWED. CAPT SIDE ALTIMETER FAIL FLAG IN VIEW. CAPT SIDE ALTIMETER REPLACED IAW AMM 34-13-01/401. INSTALLATION TEST CARRIED OUT IAW AMM TASK 34-12-00-715-001. TEST
- [SDR QR9R2024121900001](https://openairdocs.org/sdr/QR9R2024121900001.md): Altimeter · failed · Dec 19, 2024 · Bolkms BK117C2
  > RADAR ALTIMETER FAILED DURING TAKEOFF. REMOVED AND REPLACED RADAR ALTIMETER IAW COMM NAV 34-41-01 REV A. MOC OK.
- [SDR IPXA2024121981955](https://openairdocs.org/sdr/IPXA2024121981955.md): Altimeter · inoperative · Dec 18, 2024 · N436UP · Boeing 75724APF
  > AT CRUISE ALTITUDE 290 EICAS MSG IAS DISAGREE FOUND FO AIRSPEED 10KTS DIFFERENT THAN CAPTS AND ALT AND FO ALTIMETER OFF 250 FROM CAPT€™S AND ALT SELECTED ALT AIRDATA ON FO€™S SIDE AND ALL INDICATIONS T/S W/REF TO FIM 34-12 STEPS 1 AND 2. FOUND RIGHT ADC FAU
- [SDR QR9R2024111300003](https://openairdocs.org/sdr/QR9R2024111300003.md): Altimeter · inoperative · Nov 13, 2024 · Bolkms BK117C2
  > ABORTED TAKEOFF IN HOVER TAXI FOR RADAR ALTIMETER INOP. REMOVED AND REPLACED RADAR ALTIMETER IAW NAVCOM 34-41-01; MOC SUCCESSFULLY COMPLETED.
- [SDR QR9R2024100800004](https://openairdocs.org/sdr/QR9R2024100800004.md): Altimeter · inoperative · Oct 8, 2024 · Bolkms BK117C2
  > RADAR ALT INOP, NO INDICATIONS DURING RUN-UP. REMOVED AND REPLACED RADAR ALTIMETER; MOC OK IAW CMM 34-41-01.
- [SDR QR9R2024091900005](https://openairdocs.org/sdr/QR9R2024091900005.md): Altimeter · faulty · Sep 19, 2024 · Bolkms BK117C2
  > RADAR ALTIMETER FAILED ON RUN-UP. AVIONICS GOT IT WORKING ON BATTERY POWER ONLY, BUT AFTER ENGINE START WITH AVO MASTERS TURNED ON, THE RADAR ALTIMETER READOUTS ON PFD/ND WERE BLANK. REMOVED AND REPLACED RADAR ALTIMETER IAW NAV/COM MANUAL 34-41-01. MOC OK.
- [SDR AALA202408214699](https://openairdocs.org/sdr/AALA202408214699.md): Altimeter · faulted · Aug 20, 2024 · N851NN · Boeing 737823
  > AIRCRAFT WAS GROPUNDED: DURING APPROACH AT FLAPS 5 AT 210 KNOTS, ALL THREE GEAR RED UNSAFE LIGHTS, SPEED BRAKES EXTENDED, AND SPEED BRAKE DO NOT ARM LIGHTS ILLUMINATED WITH GEAR UNSAFE HORN SOUNDING WHEN THE SPEED BRAKE HANDLE WAS EXTENDED TO ABOUT THE 60% POS
- [SDR FDEA202407211039](https://openairdocs.org/sdr/FDEA202407211039.md): Altimeter · failed · Jul 21, 2024 · N654FE · Airbus A300F4605R
  > AT CRUISE RECEIVED CAPT ALTI FAULT ECAM WITH COMMENSURATE INDICATIONS ON THE PRIMARY ALTIMETER INCLUDING OFF FLAG FOLLOWED BY ERRATIC ALTITUDE INDICATIONS VARYING BY UP TO APPROXIMATELY 1000 FEET FROM FO ALTIMETER. REFERENCE QRH FOR REQUIRED RVSM EQUIPMEN
- [SDR FDEA202405130656](https://openairdocs.org/sdr/FDEA202405130656.md): Altimeter · faulted · May 13, 2024 · N286FE · Boeing 7673S2F
  > IN CRUISE AT ALTITUDE FL340, WITH RIGHT AUTOPILOT ENGAGED. FO ALTIMETER DROPPED ABOUT 330 FT. WITH EICAS ALT DISAGREE, AUTOPILOT ATTEMPTED TO CLIMB BACK TO RECAPTURE FL340 WITH CAPT ALTIMETER SUBSEQUENTLY CLIMBING TO FL342. DISENGAGED AUTOPILOT AND RETURN
- [SDR FDEA202404230535](https://openairdocs.org/sdr/FDEA202404230535.md): Adc · failed · Apr 23, 2024 · N651FE · Airbus A300F4605R
  > AT FL350,.78 MACH, ABOUT 1 HOUR INTO FLIGHT, FO SPEED TAPE BEGAN ROLLING BACK FOLLOWED BY IAS DISCREPANCY ECAM ALERT. FOLLOWED ECAM AND QRH SWITCHING TO SYS 1 ADC ON FO SIDE. SUSPECT ADC2 FAILURE. R & R NO.2 ADC, PERFORMED SATISFACTORY ADS2 BITE TEST. COMP
- [SDR UIEA2024020500070](https://openairdocs.org/sdr/UIEA2024020500070.md): Altimeter · malfunctioned · Feb 5, 2024 · N1229A · Boeing 767306
  > CAPT ALTIMETER MOMENTARILY WENT A FEW THOUSAND FEET LOW THEN RAPIDLY RECOVERED PASSING FL 340 IN CLIMB AND DESCENT. VSI ANOMALY NOTED AS WELL(<P>PERFORMED OPS TEST OF AIR DATA COMPUTING SYS, OPS TEST GOOD IAW AMM 34-12-00, NO DEFECTS NOTED.</P>)
- [SDR IPXA2024012521784](https://openairdocs.org/sdr/IPXA2024012521784.md): Altimeter · warning message · Jan 25, 2024 · N313UP · Boeing 76734AF
  > ABOVE 2 HRS INTO FLT AT 38K WE HAD AN ALT DISAGREE CAUGHTION MSG. WE DETERMINED THE F.O.'S WAS INCORRECT. IT WAS ABOUT 250-260 FT ABOVE THE CAPT'S AND ABOUT.01 DIFFERENCE IN MACH NUMBER ++ REMOVED AND REPLACED R/H ADC IAW MM CHT 34-12-01 OPS CKS GOOD QD'S WER
- [SDR QMLA122820121](https://openairdocs.org/sdr/QMLA122820121.md): Altimeter · unknown · Dec 23, 2023 · N970NA · Pilats PC1245
  > RIGHT AFTER TAKEOFF PILOT ALTIMETER FAILED. ATC CONFIRMD NO ALTITUDE READOUT.WE RETURNED TO RAP UNEVENTFULLY AND WROTE UP THE DISCREPANCY.
- [SDR CALA2023121403643](https://openairdocs.org/sdr/CALA2023121403643.md): Indicator · sticking · Dec 11, 2023 · N76055 · Boeing 767424ER
  > STANDBY ALTIMETER SHOWING 5000 FT LOW DECSENDING THROUGH FL200. PLEASE CHECK FOR WATER IN DRAIN PORTS R2, R6, R7, R9, AND R13. DRAIN AS NECESSARY. IF NO WATER WAS FOUND PERFORM A LOW-RANGE L EAKAGE TEST ON THE ALTERNATE STATIC SYSTEM (PAGEBLOCK 34-11-00/5 01)
- [SDR DALA2023120109880](https://openairdocs.org/sdr/DALA2023120109880.md): Unknown · unknown · Nov 27, 2023 · N838MH · Boeing 767432ER
  > SHIP 1814 -RVSM- ALT DISAGREE AT FL330 RIGHT ALTIMETER 250 FEET HIGHER THAN LEFT AND CENTER,RAN QRH AND SELECTED CO-PILOT AIR DATA TO "L". OUT OF TOLERANCE FOR 5 HOURS, LAST 1HR OF FLIGHT WAS WITHIN 50 FEET OF EACH OTHER. CORRECTIVE ACTION: R/R RIGHT AOA REF
- [SDR DALA2023111309346](https://openairdocs.org/sdr/DALA2023111309346.md): Unknown · unknown · Nov 9, 2023 · N705TW · Boeing 757231
  > SHIP 6811 - RVSM - ENROUTE FO ALTIMETER WOULD MOVE UP AND DOWN 500 FEET OFF FLAG WOULD THEN COME ON, HAPPENED EVERY 30 MINUTES. CORRECTIVE ACTION: REPLACED FO ALTIMETER PER B757 AMM 34-13. OPS CK NML.
- [SDR IPXA2023110235370](https://openairdocs.org/sdr/IPXA2023110235370.md): Altimeter · inoperative · Oct 30, 2023 · N313UP · Boeing 76734AF
  > *SUPPLEMENTAL RVSM* F/O AND CAPT. ALTIMETERS DIFFERED BY 270FT @FL 330. STANDBY MATCHED CPT ALTIMETER. F/O SELECTED AIR DATA TO ALT. T/S SYS.; NO LEAKS NOTED. REF ITEM [T3F18E0037WAT] (AOA SENSOR RR) PER TECH SERVICE.
- [SDR IPXA2023103012409](https://openairdocs.org/sdr/IPXA2023103012409.md): Altimeter · faulted · Oct 28, 2023 · N313UP · Boeing 76734AF
  > PASSING THOUGH 12,000 FT RECEIVED ALT DISAGREE HSG, ALTIMETERS WHERE OFF BY 400 FT, RIGHT SIDE APPEARED TO BE INCORRECT [T3F18E0037HA3] COMPLETED ALTIMETRY SYSTEM TEST REF AMM 34-11-00-730-816-001. CONFIRMED F.O ALTIMETER 400€™ SPLIT. R&R RH ADC REF AMM 34-1
- [SDR DXTA2023091895680](https://openairdocs.org/sdr/DXTA2023091895680.md): Unknown · faulted · Sep 17, 2023 · N667QS · Cessna 680A
  > STANDBY ATTITUDE INDICATOR: AFTER TAKEOFF NOTICED STBY ATTITUDE INDICATOR WAS IN A 3 DEGREE RIGHT TURN. WAS CONSISTANTLY ON THE 3 DEGREE RIGHT BANK FOR THE ENTIRE FLIGHT EXCEPT AT ONE POINT IT WENT 3 DEGREES LEFT. UPON LANDING ATTITUDE INDICATOR WENT BACK TO W
- [SDR UIEA2024031500152](https://openairdocs.org/sdr/UIEA2024031500152.md): Altimeter · failed · Sep 15, 2023 · N1361A · Boeing 76731B
  > CAPT ALTIMETER FAILED AND DISPLAYED OFF FLAG AT CRUISE. ACCOMPLISED QRH. NO CHANGE(<P>CAPTAIN ALTIMETER REMOVED AND REPLACED PER AMM 34-13-01/404. PERFOMRED OPS CHECK TO THE SYSTEM, ALL OPS CHECKED NORMAL. PITOT STATIC LEAK TEST PERFORMED, NO DEFECTS NOTED.</P
- [SDR YV3R2023071000576](https://openairdocs.org/sdr/YV3R2023071000576.md): Altimeter · defective · Jun 23, 2023 · Robsin R44RAVENII
  > CUSTOMER REPORTED ALTIMETER P/N: A613-2 WAS STICKING AND SLUGGISH IN OPERATION.
- [SDR DALA2023050203416](https://openairdocs.org/sdr/DALA2023050203416.md): Unknown · unknown · Apr 30, 2023 · N196DN · Boeing 767332
  > SHIP 196 -RVSM- ALT DISAGREE EICAS ATL MCC, CORRECTIVE ACTION: DUE TO FIM PROCEDURE BY MCC REPLACED L ADC IAW AMM 34-12-01 REV 138.01 FUNCTIONAL TEST AND MCDP TEST PERFORMED SATISF. CKD OK. (4639468)
- [SDR DALA2023031702002](https://openairdocs.org/sdr/DALA2023031702002.md): Unknown · unknown · Mar 14, 2023 · N188DN · Boeing 767332
  > SHIP 188 -RVSM- ALT DISAGREE EICAS MESSAGE AT FL360 ALTIMETERS FLUCUATING BETWEEN 120' AND 250' OFF. CORRECTIVE ACTION: R&R LEFT AIR DATA COMPUTER PER AMM B767-300 34-12. PERFORMED MCDP TEST 30 PER AMM 22-00. ALL TEST PASSED. (4163562)
- [SDR IXXA2023040202](https://openairdocs.org/sdr/IXXA2023040202.md): Skin Panel · gouged · Feb 13, 2023 · N367AZ · Boeing 767319
  > SCRATCHES/GOUGE MARKS ON RH ALT STATIC PORT.
- [SDR 2023F00035](https://openairdocs.org/sdr/2023F00035.md): Altimeter · faulted · Jan 25, 2023 · N912SV · Beech B200
  > APPROXIMATELY 45 MINUTES AFTER DEPARTING KBIL WHILE IN CRUISE FLIGHT, THE CREW OBSERVED THE PILOTS ALTIMETER CLIMBING RAPIDLY WITHOUT STOPPING. THE CREW RETURNED TO KBIL WITHOUT INCIDENT. MAINTENANCE REPLACED THE PILOTS ALTIMETER WITH AN OVERHAULED UNIT AND OP
- [SDR A6WA2023012318438](https://openairdocs.org/sdr/A6WA2023012318438.md): Indicator · inoperative · Jan 21, 2023 · N454AW · Cndair CL6002B19
  > ABORTED TAKE-OFF AT APPROX. 100 KNOTS DUE TO STANDBY ASI NOT COMING ALIVE. STANDBY ASI REMAINED AT ZERO. BRACKET TEMPS SHOWED 5,6,5,4. NO BRAKE OVERHEAT WARNING DISPLAYED. AIRCRAFT REMOVED FROM SERVICE. REMOVED AND REPLACED STBY ALT /IND ASI (SA/IAS) IAW
- [SDR 2023FA0000014](https://openairdocs.org/sdr/2023FA0000014.md): Altimeter · misoverhauled · Jan 5, 2023 · N755AM · Snias AS350B3
  > RECEIVED ENCODING ALTIMETER, AFTER OVERHAUL UNDER WO# 3267658. DURING THE FUNCTIONAL CHECKS, THE ITEM FAILED TO SEND THE CORRECT ALTITUDE INFORMATION TO THE TRANSPONDER. ITEM TO BE RETURNED.
- [SDR FDEA202212303037](https://openairdocs.org/sdr/FDEA202212303037.md): Indicator · unreliable · Dec 30, 2022 · N573FE · Doug MD11F
  > AIRSPEED UNRELIABLE PASSING 12000 FEET. CHECKLIST DETERMINED BAD INFORMATION ON FIRST OFFICER SIDE. SELECTED CADC 1 ON FO SIDE AND INDICATIONS MATCHED. EMERGENCY DECLARED. INSPECTED FO PITOT TUBE AND FOUND THAT THE DRAIN HOLES WERE OBSTRUCTED. CLEARED
- [SDR ABXA20230103160](https://openairdocs.org/sdr/ABXA20230103160.md): Control Unit · faulted · Dec 29, 2022 · Boeing 767338
  > BOTH ALTIMETERS ALTERNATED BETWEEN ALT AND NORMAL. AIRCRAFT DIVERTED INTO DEN. AIRCRAFT WAS GROUNDED BY MAINTENANCE. MAINTENANCE REPLACED CENTER DCU PER AMM 34-22-11. OPS CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.

Next page: https://openairdocs.org/jasc/3416/reports.md?page=2

## 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 jasc_code = '3416'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/jasc/3416/reports

---
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