# SDR DALA2025072605614

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 26, 2025
- Submitted: July 26, 2025
- Operation: Air carrier
- Aircraft: [N539US](https://openairdocs.org/aircraft/N539US), registered now
- Make and model: Boeing 757251
- Aircraft serial: 26486
- Aircraft time: 86,995 hours, 32,920 cycles
- System (JASC): [7830 · Engine Thrust Reverser](https://openairdocs.org/jasc/7830)
- Part: Actuator
- Condition: Leaking
- Location: Thrust Reversers
- Stage of operation: IN
- How discovered: V
- Nature of condition: K, B
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2025072605614

## Discrepancy

AIRCRAFT 5639, ON DESCENT (WITH THRUST LEVERS AT IDLE) STARTING AT 15000 MSL STARTING DETECTING STALE/LIGHT DIRTY LAUNDRY SMELL ON FLT DECK.   REPLACED OUTBOARD THRUST REVERSE OPENING ACTUATOR LEAKING ON LEFT ENGINE. (LP 7549200, 1105242)

---
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.
