Service difficulty report · Bolt · Boeing 76731K

Difficulty date
October 19, 2020
Submitted
October 20, 2020
Operation
Air carrier
Aircraft
N1373A
Make and model
Boeing 76731K
Aircraft serial
27205
Aircraft time
102,835 hours, 21,735 cycles
Engine
Ge CF680C2B2
Part
Bolt
Condition
Broken
Location
Fan Module
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

ITEM 7: TWO BOLTS BROKEN ON FAN MODULE T/R SUPPORT RING 3 O'CLOCK POSITION NR 1 ENGINE P/N MS9567-10. ITEM 8: LT ENGINE COOLING AIR SUPPLY DUCT HAS A BROKEN BRACKET P/N 1470M39G08. ITEM 9: LT ENGINE COOLING AIR SUPPLY TUBE RUPTURED P/N 1678M86G07. ITEM 11: ONE BROKEN BOLT ON LT ENGINE FAN MODULE T/R SUPPORT RING AT 0830 POSITION. ITEM 7: REMOVED (2) BROKEN BOLTS ON AFT FAN CASE T/R SUPPORT RING 3 O'CLOCK POSITION NR 1 ENGINE, REF AMM 72-33-00 STAND PRACTICE TASK 20-11-00-910-802. ITEM 8: R & R LT ENGINE COOLING AIR SUPPLY DUCT, IAW CF6-80C2 ENGINE MANUAL, ESM 72-00-00 P/N OFF: 1470M39G08 S/N: N/A. ITEM 9: R & R HPT COOLING AIR SUPPLY MANIFORLD, IAW ENGINE RUN CF6-80C2 ENGINE MANUAL ESM 72-00-00, PER POWERPLANT ENGINEERING REQUEST, IAW AMM 71-00-00. OPERATIONS CHECK & LEAK CHECK GOOD. P/N OFF: 1678M86G07 S/N OFF: N/A. ITEM 11: REMOVED (1) BROKEN BOLT ON AFT FAN CASE T/R SUPPORT RING (8:30 POS) NR 1 ENGINE, REF AMM 72-33-00 STAND PRACTICE TASK 20-11-00-910-802.

More about the Boeing 767-31K