# SDR DHL99720007

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 25, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N720DH
- Make and model: Boeing 727228
- Aircraft serial: 19544
- System (JASC): [5270 · Door Warning System](https://openairdocs.org/jasc/5270)
- Part: Switch
- Part number: BZ2RQ18A2
- Condition: Broken
- Location: Cargo Door
- Stage of operation: CL
- Nature of condition: N
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DHL99720007

## Discrepancy

CARGO DOOR LIGHT ILLUMINATED CARGO DOOR UNLOCK PASSING THROUGH APPROX 9000 AND 6.5 PSI , THEN WENT OUT AT APPROX 16,000 AND 6.2 PSI.  STAYED OUT REMAINDER OF FLIGHT.  FOUND AFT AUX LATCH PIN SWITCH BROKEN.  REPLACED PER PEMCO MM 52-32-21.

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