# SDR TWAA0103404

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 20, 2001
- Submitted: February 22, 2001
- Operation: Air carrier
- Aircraft: N905TW
- Make and model: Doug DC-9-82
- Registry model: [Doug DC-9-82](https://openairdocs.org/model/mcdonnell-douglas-dc-9-82) (OpenAirDocs)
- Aircraft serial: 49157
- Aircraft time: 55,078 hours, 28,621 cycles
- System (JASC): [5311 · Fuselage Main, Frame](https://openairdocs.org/jasc/5311)
- Part: Former
- Condition: Damaged
- 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/TWAA0103404

## Discrepancy

DURING CHECK-C MAINT FOUND AIR SUPPLY VALVE HAD WORN HOLE INTO FORMER RING AT STA 1380, BELOW LONGERON 5L AND 6L.  INSTALLED DOUBLER PER SRM 53-01 FIG 4.  REINSTALLED LT TEMP CONTROL VALVE PER MM 20-10-11.  LEAK CHECKED.

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