Service difficulty report · Unknown · Boeing 757351

Difficulty date
July 25, 2023
Submitted
July 26, 2023
Operation
Air carrier
Aircraft
N593NW
Make and model
Boeing 757351
Aircraft serial
32993
Aircraft time
69,377 hours, 22,723 cycles
Engine
Pwa PW2037
Engine time
67,745 hours, 21,876 cycles
Part
Unknown
Part number
UNKNOWN
Condition
Unknown
Location
Unknown
Stage of operation
CR
How discovered
O
Nature of condition
O
Precautionary procedure
A

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

SHIP 5813 -ATB- RETURNED TO SEA DUE TO FLIGHT DECK TEMP UNCONTROLLABLE. CORRECTIVE ACTION: RESECURED GROUND WIRE FOR LEFT PACK COMPRESSOR OUTLET TEMP. REPLACED NBR 1 HPV, NBR 2 HPSOV, AND NBR 1 PRSOV, AND NBR 1 FAN AIR TEMP SENSOR. REPLACED NBR 1 HPSOV SENSE LINE ELBOW. (LP 9966620)