Service difficulty report · Unknown · Boeing 737990ER

Difficulty date
August 20, 2023
Submitted
August 24, 2023
Operation
Air carrier
Aircraft
N478AS
Make and model
Boeing 737990ER
Aircraft serial
44105
Aircraft time
30,015 hours, 9,451 cycles
Part
Unknown
Part number
UNKNOWN
Condition
Unknown
Location
Unknown
Stage of operation
IN
How discovered
V
Nature of condition
J
Precautionary procedure
O

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

What was found

RIGHT PACK LIGHT ILLUMINATES ON RECALL, EXTINGUISHES WHEN RESET. GROUNDED - YES. INITIAL EVAL, RH PACK LT ILLUMINATED ON P5 OVERHEAD WITH MASTER RECALL. PERFORMED PZTC BITE IAW FIM 21-62 TASK 801. LH PZTC, NO FAULTS. RH PZTC HAD TCV ON BIT, CLEARED GREEN ON VERIFY. PER FIM 21-62 TASK 831, NO FURTHER ACTION NECESSARY. RE RAN BITE, SAME RESULT. NO A/C HISTORY FOR RH PACK LT OR TCV. THIS CLEARS MEL 21-32B. SEAMC PETER NOTIFIED. PLACARDS REMOVED. NO A/C CONFIG CHANGES.