Service difficulty report · Warning Message · Boeing 777222

Difficulty date
July 1, 2025
Submitted
July 4, 2025
Operation
Air carrier
Aircraft
N777UA
Make and model
Boeing 777222
Aircraft serial
26916
Aircraft time
109,416 hours, 20,100 cycles
Engine
Pwa PW4077
Part
Warning Message
Condition
False Activation
Location
Rt Engine
Stage of operation
CL
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 RT ENG EGT EXCEEDED DURI NG CLIMB. AHM SHOW ENG R EGT RED MM MSG 77-62122, AHM DID NOT TR IGGER EGT EXCEEDANCE REPORT FOR RT ENG IAW AMM 31-61-00-8 00-804 (201), NOTE DOWN EGT PEAK & DURATION FROM RT ENG EXCD. EXCEEDANCE OF 20.4 SECONDS AT 629.5 CELCIUS OVER LIMIT BUT WITHIN AREA "A" OF FIGURE 603 REF AMM TASK 72-00-00-290-818-N01. ENG OVERTEMP INSPECT REQ'D. ENG EGT OVERLIMIT FOR MORE THAN 5 SECS. ACP'D EGT OVERTEMPERATURE INSPECTION IAW 72-00-00-290-818-N01. GVI GOOD. INSPECTED IGNITION PLUG LEADS IAW AMM 74-21-01-200-801-N00. NO DAMAGES NOTED. BOROSCOPE INSPECTION. NO DEFECTS NOTED. AP-8 PLUG AT 1:30 O'CLOCK, AP-10, AND AP-11 HAVE BEEN REMOVED FOR BOROSCOPE & REINSTALLED IAW AMM SUBTASK 72-00-00-290-050-N01. CHANGING INSPECTION TO IDT FOR BORO PLUG REQUIREMENT REF GMM 09-10-05. ACPD BOROSCOPE IDPI NOT EXTENDED ON FUEL SERVO HEATER FILTER. REF TEST NO. 6 - EEC IDLE CHECK REFERENCE: TASK 71-00-00-730-801-N00.