# SDR DL72S001559

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 14, 2000
- Submitted: August 22, 2000
- Operation: Air carrier
- Aircraft: [N516DA](https://openairdocs.org/aircraft/N516DA), registered now
- Make and model: Boeing 727232
- Aircraft serial: 21432
- Aircraft time: 64,342 hours, 49,092 cycles
- Engine: Pwa JT8D15A
- Engine time: 51,159 hours, 37,719 cycles
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Duct
- Condition: Ruptured
- Location: Nr 1 Pylon
- Part time: 51,159 hours, 37,719 cycles
- Stage of operation: CR
- How discovered: O
- Nature of condition: M, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DL72S001559

## Discrepancy

ENG NR 1 STRUT OVERHEAT LIGHT ILLUMINATED IN CLIMB PASSING FL 250.  COMPLETED WITH POM PROCEDURES, LIGHT REMAINED EXTINGUISH WITH THROTTLE AT IDLE.  NR 1 BLEED SWITCH HAS NO EFFECT.  DIVERTED TO DFW.  FOUND HI STAGE PNEUMATIC -Y- DUCT IN PYLON     RUPTURED.  REPLACED SAME, ALSO REPLACED NR 1 ENG BLEED S/O VALVE AS PRECAUTIONARY.  RAN ENG LEAK CKS GOOD.

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