# SDR ASAA2026071365753

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 13, 2026
- Submitted: July 15, 2026
- Operation: Air carrier
- Aircraft: [N388HA](https://openairdocs.org/aircraft/N388HA), registered now
- Make and model: Airbus A330-243
- Registry model: [Airbus A330-243](https://openairdocs.org/model/airbus-a330-243) (OpenAirDocs)
- Aircraft serial: 1310
- Aircraft time: 58,360 hours, 9,189 cycles
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Precooler
- Part number: 118115381
- Part serial: 01061
- Condition: Leaking
- Location: Nr 2 Eng Bleed
- Part time: 9,195 hours, 1,467 cycles
- Stage of operation: NR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2026071365753

## Discrepancy

AIR TURN BACK ENG 2 BLEED LEAK. GROUNDED - YES. PERFORMED TSM 36-22-00-810-901-A FOUND LEAK AT BOTTOM SECTION OF FORWARD PRECOOLER CLAMP & PINHOLE LEAK AT FORWARD OUTBOARD CORNER ON TOP OF PRECOOLER. ASKED AVIONICS FOR PRECAUTIONARY CHECK OF ELEMENT. CHECKED SENSOR (2HF2) CONTINUED TO LP 100215336-1 CONTINUTED FROM LP 100215335-2 RESISTNCE READ (.3) OHMS, NO SHORTS TO GROUND. LOOP CHECKED GOOD.  SWAPPED FWD & AFT CLAMP FOR T/S. FOUND CLAMP DAMAGED NEED TO REPLACE AFT PRECOOLER CLAMP.  CONT. FROM LP 100215336-1REPLACED PRECOOLER ON NR 2 ENG IAW AMM 36-11-42-400-804-A UP TO STEP 4.A. PIN INSTALLED FWD CLAMP & LEAK CHECK. NO FAULT NOTED. OK FOR SERVICE.

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