Service difficulty report · Drain Mast · Boeing 777

Difficulty date
July 19, 2023
Submitted
July 26, 2023
Operation
Air carrier
Aircraft
N2639U
Make and model
Boeing 777
Aircraft serial
62650
Aircraft time
25,737 hours, 2,897 cycles
Part
Drain Mast
Part number
UNKNOWN
Part serial
NA
Condition
Missing
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

PDA 3 DURING WALK AROUND AND FOUND 2 OF 6 MAST ASSY MISSING. REF IPC 51-03-02-05B ITEM 10 AND ITEM 15. NO OTHER DAMAGED FOUND. ACCOMPLISHED PART 1 INTERIM REPAIR PER EC/RA 5100-03159. CARRY ITEM TO DIP MX ACCOMPLISHED INTERIM REPAIR PER ECRA, MUST FIX NO LATER THAN TOMC-APPROVAL FROM SC1ELBYC COMMENT 2 FLIGHT CYCLES. ADDED PHOTO QC RECORDS UPDATE TOMCQC REV PERFORMED INSTALLED TWO AFT MISSING DRAIN MAST ASSY. REF. AMM 51-03-01-400-801 QC REVIEWED T/A: 2 FC ...VC/U392424