# SDR DL764070149

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 23, 2007
- Submitted: February 27, 2007
- Operation: Air carrier
- Aircraft: [N830MH](https://openairdocs.org/aircraft/N830MH), registered now
- Make and model: Boeing 767432ER
- Aircraft serial: 29701
- Aircraft time: 21,954 hours, 7,171 cycles
- Engine: Ge CF680
- Engine time: 14,876 hours, 10,022 cycles
- System (JASC): [4910 · APU Cowling/Containment](https://openairdocs.org/jasc/4910)
- Part: B-Nut
- Condition: Loose
- Location: Pneumatic Line
- Part time: 14,876 hours, 10,022 cycles
- Stage of operation: TX
- How discovered: O
- Nature of condition: J
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DL764070149

## Discrepancy

APU BLEED UNAVAILABLE AFTER PUSHBACK RTB.  FOUND B-NUT ON PNEUMATIC SENSE LINE AT TOP OF APU COMPLETELY BACKED OFF OF THREADS.  RETORQUED, MOTORED ENGS 30.1 N2. 40P DURING ROTATION.  APU AIR CKS GOOD.

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