# SDR FDEA202510222071

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 22, 2025
- Submitted: October 22, 2025
- Operation: Air carrier
- Aircraft: [N978FD](https://openairdocs.org/aircraft/N978FD), registered now
- Make and model: Boeing 757236
- Aircraft serial: 24119
- Aircraft time: 61,062 hours, 28,070 cycles
- System (JASC): [5311 · Fuselage Main, Frame](https://openairdocs.org/jasc/5311)
- Part: Frame
- Part number: 148N16062
- Condition: Corroded
- Location: Zone 200
- 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/FDEA202510222071

## Discrepancy

AFTER REMOVAL OF EXHAUST DUCT AND CORE ON APU FOUND SEVERE CORROSIONB ON   FRAME (148N1606) AT STA 1992.8 APPOX 6 INCHES AT THE 6 OCLOCK POSITION (APPROX 4-7 O   CLOCK)  WAS FOUND FRAME, RING AND SPLICE WITH CORROSION OUT OF LIMITS EVALUATED IAW B757   SRM 53-00-07-1A, THEY WERE FABRICATED PER BOEING DWG 148N1606 REV G AND REPLACED   IAW B757 SRM 51-40-02-OG

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