Service difficulty report · Pcb · Boeing 767322

Difficulty date
May 21, 2024
Submitted
May 24, 2024
Operation
Air carrier
Aircraft
N659UA
Make and model
Boeing 767322
Aircraft serial
27114
Aircraft time
121,854 hours, 18,879 cycles
Part
Pcb
Part number
285T110422
Part serial
D04335
Condition
Malfunctioned
Location
Efis
Part time
15,572 hours, 4,938 cycles
Stage of operation
NR
How discovered
O
Nature of condition
J
Precautionary procedure
A

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

What was found

CREW REPORTS LOW SPEED AMBER BAND ON CAPTAINS SIDE EFIS AIRSPEED TAPE FLUCTUATING AND 30KT SPLIT WITH FO. ALL MACH AIRSPEED INDICATORS OPS NML. TO BE DEFERRED IAW MEL 3422BS DEFERRED IAW MEL 3422BS CAPT EFIS SPEED TAPE AIRSPEED INDICATION(S) INOPERATIVE. DUPLICATE, SEE LP 8033935 ST AND INDICATIONS ARE OK ROTABLE PARTS CHANGE WAS INDICATED - T T # 1461610 SN OFF 4335 CIRCUIT, PRINTE OFF 75-2730-9-9001 4335 ON 75-2730-9-9001 3669 STALL WARNING MODULE REMOVED AND INSTALLED IAW AMM 27-32-01-024- 001 / AMM 27-32-01-424-016. OPS TEST OF STALL WARNING SYS PERFOR MED SATIS IAW AMM 27-32-00-715-04-003. WARNING ELECTRONICS UNIT WEU CARD MODULE TEST C/OUT SATIS IAWAMM 31-51-04-724-154. ALL TE ADD EMP:V919249