Service difficulty report · Frame · Boeing 7377H4

Difficulty date
May 12, 2021
Submitted
June 14, 2021
Operation
Air carrier
Aircraft
N222WN
Make and model
Boeing 7377H4
Aircraft serial
34290
Aircraft time
52,415 hours, 31,247 cycles
Part
Frame
Condition
Corroded
Location
Bs 847
Stage of operation
IN
How discovered
9
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

CORROSION ON FRAME AT AFT CARGO BAY BS947 LBL9 WL178. ; / REINSTALLED LH WATER TANK SUPPORT ANGLE P/N 147A7410-19 BS 947 TO BS 967 LBL 10 WL 178 IAW SRM 51-40-02-0G 0 AND DWG# 147A7410 REV-E<BR>REINSTALLED ACB FLOOR TO BULK HEAD SUPPORT ANGLE P/N 149A8113-24 AT BS 927 TO BS 949 LBL 10 WL 178 IAW SRM 51-40-02-0G-0 AND DWG# 149A8103 REV-A<BR>APPLIED CORROSION INHIBITOR COMPOUND IN REPAIR AREA IAW SRM 51-20-01-0G-0<BR>CLEANED THE REPAIR AREA IAW AMM 20-60-7; 1- THE REINSTALLATION OF LH WATER TANK SUPPORT ANGLE P/N 147A7410-19 BS 947 TO BS 967 LBL 10 WL 178 WAS DOCUMENTED ON TASK CARD # TTG8Q00590NQ.<BR><BR>2- THE INSTALLATION OF ACB FLOOR TO BULK HEAD SUPPORT ANGLE P/N 149A8113-24 AT BS 927 TO BS 949 LBL 10 WL 178 WAS DOCUMENTED ON TASK CARD # TTG8Q00591E3; VERIFIED REMOVAL AND REINSTALLATION OF STRUCTURE ITEMS FOR ACCESS WAS TRANSFERRED TO #TTG8Q00590NQ AND #TTG8Q00591E3.

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