# SDR DALA2017070505219

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 4, 2017
- Submitted: July 6, 2017
- Operation: Air carrier
- Aircraft: N907DE
- Make and model: Doug MD-88
- Registry model: [Doug MD-88](https://openairdocs.org/model/mcdonnell-douglas-md-88) (OpenAirDocs)
- Aircraft serial: 53416
- Aircraft time: 64,388 hours, 46,801 cycles
- System (JASC): [5412 · Nacelle/Pylon, Bulkhead/Firewall](https://openairdocs.org/jasc/5412)
- Part: Firewall
- Condition: Worn
- Location: Nr 2 Nacel;Le
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2017070505219

## Discrepancy

NR 2 ENGINE  FIREWALL PASS THRU WORN AT PREVIOUS REPAIR LOCATED AT HYD PRESS LINE.  SAME AREA HYD PRESS LINE LOOSE. FOUND DOUBLER AT PASS THRU FOR HYD LINES WORN.  REMOVED OLD DOUBLER AND BAD HYD LINE.   INSTALLED NEW DOUBLER IAW ERA 553921-14 REV ORIG. REINSTALLED HYD LINES IAW AMM 29-10.  LEAK CHECED GOOD.

---
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.