Service difficulty report · Blade · Boeing 777222

Difficulty date
July 22, 2025
Submitted
July 25, 2025
Operation
Air carrier
Aircraft
N792UA
Make and model
Boeing 777222
Aircraft serial
26934
Aircraft time
112,569 hours, 14,827 cycles
Engine
Pwa PW4090
Part
Blade
Part number
56A201
Part serial
CBDUA62082
Condition
Damaged
Location
Nr 1 Engine
Part time
46,798 hours, 6,541 cycles
Stage of operation
IN
How discovered
V
Nature of condition
O
Precautionary procedure
K

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

What was found

REF L/P 5642792, DUE TO BLADE DAMAGE ON #1 ENGINE, PLEASE COMPLETE FOD INGESTION INSPECTION PER AMM 72-00-00-210-807-N02 ACP'D INSPECTION OF #1 ENG DUE TO #7 FAN BLADE BEING FOUND BENT. REF AMM INLET, EXHAUST, AND EXTERNALS INSPECTION REFERENCE: TASK 72-00-00-210-807-N02. FOUND EVIDENCE OF BIRDSTRIKE AS CAUSE OF DAMAGE TO BLADE, ONLY BLOOD SMEARS WERE LOCATED BETWEEN 6 & 7 O'CLOCK POS AT FAN EXIT GUIDE VANES. ACP'D INSPECTION OF BIRDSTRIKE ON #1 ENG REF AMM BIRDSTRIKE (FOREIGN OBJECT DAMAGE) INSPECTION REFERENCE: TASK 72-00-00-210-808-N02. FOUND "NO EVIDENCE" OF BIRD INGESTION INTO "LPC". NO FURTHER DAMAGE FOUND BESIDES #7 BLADE. CLN'D ALL BLOOD ADD EMP:U114824 SMEARS, AT FAN EXIT GUIDE VANES AND PANELS. NO WRITE UP MENTIONING ANY SMELL IN FLIGHT DECK, OR PAX COMPARTMENT. NO SURGE OR STALL REPORTED. WORKED WITH LOG PG. 5646294