Service difficulty report · Stringer Splice · Boeing 73776Q

Difficulty date
March 20, 2021
Submitted
April 22, 2021
Operation
Air carrier
Aircraft
N551WN
Make and model
Boeing 73776Q
Aircraft serial
30280
Aircraft time
60,799 hours, 37,574 cycles
Part
Stringer Splice
Condition
Corroded
Location
Bs 885 S22l
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 STRINGER SPLICE AT AFT CARGO BAY BS885 S-22L WL176. / CORROSION FOUND ON STR. SPLICE BS 885 STR-22L WL-176 FOUND TO BE OUT OF LIMITE IAW SRM 53-00-03-1A-1 FORMED STR. SPLICE MADE FROM BAC 1498 -270#7075 TO LOT # 1A55882-1 IAW DWG # 147A3288 REV A SENT TO OSS AND RECIEVED IN THE FORM OF 7075T62 WITH PO. # 1456076 LOCATED AND DRILLED IAW SRM 51-40-05-0G-0 AND DWG # 147A3288 APPLIED CHEMICAL CONVERSION COATING AND PRIMED IAW AMM 51-21-41-370-802 & AMM 51-21-72-370-804 AND INSTALLED IAW DWG # 147A0060 AND SRM 51-40-02-0G-0

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