# SDR UIEA2019050204103

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 1, 2019
- Submitted: May 3, 2019
- Operation: Air carrier
- Aircraft: [N1013A](https://openairdocs.org/aircraft/N1013A), registered now
- Make and model: Boeing 767-36N
- Registry model: [Boeing 767-36N](https://openairdocs.org/model/boeing-767-36n) (OpenAirDocs)
- Aircraft serial: 30110
- Aircraft time: 77,825 hours, 10,386 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Bulb
- Part number: MS280341
- Condition: Faulty
- Location: Ac Bay
- Stage of operation: CR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2019050204103

## Discrepancy

APPROX 30 MIN INTO FLIGHT, AT FL 380, FLT DECK TEMP RAPIDLY INCREASED TEMP TO 27°C IN MANUAL MODE. WITH SELECTOR NEAR 3RD DOT, COLD TEMP AGAIN RAPIDLY RISES.(<P><SPAN>PERFORMED BITE TEST OF TEMP ZONE BOX AND LEFT/RIGHT PACK BOXES. FOUND NOT FAULTS AT THIS TIME. CLEANED TEMP SENSOR IAW AMM 21-61-01. NO FIX. NEEDS MORE T/S.</SPAN></P><P><SPAN>LP 1050501 - M1: REMOVED AND REPLACED L PACK OUT TEMP BULB IAW 21-52-06. PACK TEMPS NORMAL AT THIS TIME. </SPAN></P><P><SPAN><BR DATA-MCE-BOGUS="1" /></SPAN></P>)

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