Service difficulty report · Support Web · Boeing 7377H4

Difficulty date
January 29, 2020
Submitted
July 21, 2021
Operation
Air carrier
Aircraft
N718SW
Make and model
Boeing 7377H4
Aircraft serial
27852
Aircraft time
75,347 hours, 44,877 cycles
Part
Support Web
Condition
Corroded
Location
Bs 747-767
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

AFT PIT Z-ANGLE RH SIDE SUPPORT WEB HAS EVIDENCE OF CORROSION FROM STA 747 TO STA 767 RBL 21 AND W/L 158 / REMOVED CORROSION ON Z-ANGLE SUPPORT WEB FROM STA 747 - 767. NO PUBLISHED LIMITS FOUND. OUT OF LIMITS. REMOVED SUPPORT WEB AND DRILLED UP NEW SUPPORT WEB P/N 146A1500-8. INSTALLED SUPPORT WEB IAW SRM 51-40-02-0G-0. REFERENCE USED 51-40-05-0G-0 AND 53-00-53-1A-2 AND DWG 146A7502 REV A (STAT 747 TO 767 RBL 21' AND W/L 158) P/N 146A7505-8 ATAG WN9928

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