# SDR CALA2026040315058

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 3, 2026
- Submitted: April 6, 2026
- Operation: Air carrier
- Aircraft: [N26210](https://openairdocs.org/aircraft/N26210), registered now
- Make and model: Boeing 737824
- Aircraft serial: 28770
- Aircraft time: 83,013 hours, 30,971 cycles
- System (JASC): [2297 · Auto Flight System Wiring](https://openairdocs.org/jasc/2297)
- Part: Elec Connector
- Part number: 00036330852
- Condition: Faulted
- Location: Zone 100
- Stage of operation: NR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2026040315058

## Discrepancy

DISCONNECTED ELECTRICAL CONNECTOR D40024P FROM D400424J IAW WDM 22-11-11-2 AND INSTALLED ESDS TAPE FOR CONNECTORS D40024P & D400424J, REPLACED D40024P, SEVERAL LOCKS  BROKEN. NEEDS TO BE REPLACED.  REPLACED CONNECTOR D40024P IAW WDM 22-12-31 & WDM 22-11-11.  STILL NEED TO SECURE GROUND LUGS TO BACKSHELL AND TIGHTENED BACKSHELL. RECOMMEND TO ACCOMPLISHED WIRING CHECKS PER HOOKUP LIST AND ALL WDM FOR THIS CONNECTOR, D40024P RINGING OUT SPOILER 4 POS SENSOR REF WDM 22-11-31-2, RANG OUT ON PLUG D40024P FROM PIN 1 TO 2 MEASURED 21.5 OHM ( (16 -19 M TO GROUND)AND AND PIN 3 TO 4 AND 5, FOUND 8.2 OHM, 16 TO 19 M TO GROUND. RANG OUT LT XMTR IAW WDM 27-18-11-2, PIN 6 - 7, FOUND 22.1 OHM, OL TO GR, & PIN 7 - 8 FO 9 MEASURD 8.2 OHM (X TO Y OR X TO Z OR Y TO Z SAME READINGS), OL TO GR. SKEW SENSOR 1 & 2 STILL  RANG OUT SPOILER 4 POS SENSOR FROM CONNECTOR D40024P MEASURED FROM PIN 19 AND 20 21.5 OHM AND 19 M TO GR,AND PIN 21 - 22 AND 23 ANY COMBO MEASURES 8.2 OHM. & TO GR 16 - 19 M OHM. CHKD FLAP POS XMTR T427, RANG OUT FROM D40024P USING WDM 22-11-11-2, FROM PIN 24 - PIN 25 MEASURED 15 OHM OL TO GR,  MEASURED FLAP POS XMTR T427 LEFT USING WDM 22-12-31-2,  MEASURED  5.8 OHM FROM ANY LEG XYZ. OLTO GRND CONNECTOR D40024 IS CURRENTLY DISCONNECTED AND PINS 36, 37, AND 38 ARE EXTRACTED TO FACILITATE REPLACEMENT OF TWISTED SHIELDED PAIR W1024-2006R/B-20. ESDS TAPE APPLIED TO ALL DISCONNECTER CONNECTORS AND EXPOSED WIRES.

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