Service difficulty report · Engine · Airbus A320*

Difficulty date
July 20, 2023
Submitted
August 3, 2023
Operation
Air carrier
Aircraft
N171US
Make and model
Airbus A320*
Aircraft serial
1465
Aircraft time
73,108 hours, 27,842 cycles
Engine
Cfmint CFM565B3P
Engine time
30,064 hours, 12,108 cycles
Part
Engine
Part number
1887M10G07
Part serial
645604
Condition
Overtemp
Location
Zone 400 - Nac/P
Part time
30,064 hours, 12,108 cycles
Stage of operation
CL
How discovered
O
Nature of condition
M, J
Precautionary procedure
A

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

What was found

AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED AND THE AIRCRAFT DIVERTED TO PIT. DURING TAKEOFF EGT OVERTEMPERATURE WAS NOTED ON BOTH ENGINES. THE EGT OVERTEMPERATURE FOR BOTH ENGINES CLEARED DURING AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED AND THE AIRCRAFT DIVERTED TO PIT. DURING TAKEOFF EGT OVERTEMPERATURE WAS NOTED ON BOTH ENGINES. THE EGT OVERTEMPERATURE FOR BOTH ENGINES CLEARED DURING CLIMB POWER BUT AN EGT OVERLIMIT ECAM WARNING FOR #2 ENGINE DISPLAYED. THE AIRCRAFT LANDED AT PIT WITHOUT FURTHER INCIDENT AND TAXIED TO THE GATE UNDER ITS OWN POWER. MAINTENANCE DETERMINED THAT THE MAX EGT EXCEEDANCE FOR #1 ENGINE WAS IN AREA Ï¿½AÏ¿½ AND NO FURTHER ACTION WAS REQUIERED PER TSM 77-00-00-810-849-A AND AMM 72-00-00-20-008-A. (AALA202307218178) MAINTENANCE FOUND THAT THE MAX EGT EXCEEDANCE FOR #2 ENGINE WAS IN AREA Ï¿½BÏ¿½, A BORESCOPE INPECTION OF THE #2 ENGINE HPT BLADES AND STAGE 1 BLADES OF THE LPT WAS ACCOMPLISHED WITH NO DAMAGE NOTED AT THIS TIME. (AALA202307216787) ADDITIONAL TROUBLESHOOTING OF THE #2 ENGINE IS REQUIERED. **SUPPLEMENTAL REPORT FOR AALA202307216787: MAINTENANCE ACCOMPLISHED TOUBLESHOOTING PER TSM 77-00-00-810-849-A AND AMM 72-00-00-200-008-A WITH NO DAMAGE NOTED. PERFORMED ELECTRICAL RESISTANCE TEST WITH NO ISSUES NOTED ALL VALUES WERE WITHIN LIMITS. MAINTENANCE ACCOMPLISHED AN ENGINE WASH PER TASK CARD 26L40072023. ** (CLOSED)