# SDR IPXA2026081830212

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 18, 2026
- Submitted: August 18, 2026
- Operation: Air carrier
- Aircraft: [N456UP](https://openairdocs.org/aircraft/N456UP), registered now
- Make and model: Boeing 757-24APF
- Registry model: [Boeing 757-24APF](https://openairdocs.org/model/boeing-757-24apf) (OpenAirDocs)
- Aircraft serial: 25477
- Aircraft time: 38,364 hours, 22,843 cycles
- System (JASC): [3260 · Landing Gear Position and Warning](https://openairdocs.org/jasc/3260)
- Part: Actuator
- Part number: 273N10052
- Part serial: 078A
- Condition: Faulted
- Location: Zone 700
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA2026081830212

## Discrepancy

ATB, GEAR DISAGREE EICAS AND GEAR LIGHT. RAN CHECKLIST RETURN TO CAE & CAUTION LIGHT TOO. REVERSED DMP 32-30-1. REPLACED PROX SWITCH 065 REF FIM 32-09 FAULT TREE 821. ADJUSTED PROX SWITCHES 065 AND 078 AS REQUIRED TO 5.5 MILIHENRI NEAR BOTH LOCKED AND UNLOCKED ARE IN THE NEAR POSITION. ALSO REF TECH ALERT ATTACHED TO THIS WORK PACKAGE FOR REPLACEMENT OF THE NLG LOCK ACTUATOR. OPS CHECKED SEVERAL TIMES ALL INDICATIONS WERE NORMAL. REQUIRES A FINAL OPS CHECK AND PLACARD REMOVAL.  C/W FINAL OPS CHECKS OF NOSE LANDING GEAR EXTENSION AND RETRACTION IAW AMM 32-34-00

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