# SDR DALA2019092305526

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 22, 2019
- Submitted: September 26, 2019
- Operation: Air carrier
- Aircraft: [N705TW](https://openairdocs.org/aircraft/N705TW), registered now
- Make and model: Boeing 757231
- Aircraft serial: 28479
- Aircraft time: 81,874 hours, 20,897 cycles
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Doubler
- Condition: Worn
- Location: Fuselage
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2019092305526

## Discrepancy

(AIRCRAFT 6811, L/P 1282872) WORN ON PREVIOUS REPAIR DOUBLER STA 1280 AND STR 11L AT PAX CABIN. CORRECTIVE ACTION: PREVIOUS REPAIR DOUBLER STA 1280 AND STR 11L AT PAX CABIN WAS REPLACED PER ER/A 518272-14 REV ORIGINAL; SECTION I. AND REPAIR APPROVAL IS LIMITED TO A THRESHOLD OF 30,600 TOTAL AIRFRAME FLIGHT CYCLES ONLY. ADDITIONAL ENGINEERING AUTHORIZATION (ER/A REVISION) IS REQUIRED FOR CONTINUED SERVICE OF THIS REPAIR AFTER 30,600 FLIGHT CYCLES. NOTE: A NEW FAA APPROVAL MUST BE ISSUED FINDING COMPLIANCE WITH 14 CFR 91.203(A) AND 25.571 MUST BE ISSUED AND DAMAGE TOLERANCE INFORMATION INCORPORATED IN THE AIRPLANE MAINTENANCE PROGRAM BEFORE 30,600 TOTAL AIRFRAME CYCLES FOR THIS REPAIR APPROVAL TO REMAIN VALID AFTER THIS TIME. MUST BE MONITORED UNDER LP 1130690.

---
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.