# SDR DL72S001019

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 16, 2000
- Submitted: May 30, 2000
- Operation: Air carrier
- Aircraft: [N531DA](https://openairdocs.org/aircraft/N531DA), registered now
- Make and model: Boeing 727232
- Aircraft serial: 21814
- Aircraft time: 60,326 hours, 45,213 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Flange
- Condition: Gouged
- Location: Nr 2 Firewall
- 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/DL72S001019

## Discrepancy

AT HMV, THE NR 2 FIREWALL AFT FLANGE WAS FOUND TO BE WORN/GOUGED AT THE 6 O''CLOCK POS.  IT WAS CHEMICALLY TREATED PER PS 900-2-4-1 NR 2 AND REPAIRED PER MM 53-11-0 PG 801.

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