Service difficulty report · Sensor · Boeing 767306

Difficulty date
October 6, 2021
Submitted
October 11, 2021
Operation
Air carrier
Aircraft
N1399A
Make and model
Boeing 767306
Aircraft serial
27959
Part
Sensor
Part number
NPN
Part serial
NSN
Condition
None
Stage of operation
DE
How discovered
V
Nature of condition
O
Precautionary procedure
O

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

What was found

R PACK OFF EICAS ON DESCENT. REPEAT WRITE UP.(<P>TRANSFER TO MDDR 154664 IAW MEL 21-51-01-01 CAT "C", DUE DATE 16OCT21. MCC NOTIFIED. TJ @ 1434Z</P> / <P>REF LOG 1480837: PERF R PACK BITE PER FIM 21-51 FT 803. VERIFY FAULTED R PACK COMP OUTLET SENSOR T542. ERASED FAULT, OPERATED R PACK MULTIPLE ATTEMPTS & R OUTLET TEMP COMP WAS HIGHER THAN L PACK NORMAL. PLACARD T542 P/N 6259282 ON ORDER WITH MCC. DMI REMAINS OPEN.</P> / <P>REF LOG 1480841, ITEM 5: PERF R PACK TEMP BITE REF FIM 21-58 FT 803. FOUND RH COMPR OUTLET SENSOR FAULT, REMOVED AND REPLACED RH PACK COMP OUT SENSOR IAW AMM 21-51-06. OPS CHECK NORMAL AT THIS TIME, NO FAULTS NOTED. THIS CLEARS MDDR 154664, PLACARDS REMOVED.</P>)