Service difficulty report · Support · Boeing 73779P

Difficulty date
April 19, 2021
Submitted
May 10, 2021
Operation
Air carrier
Aircraft
N7858A
Make and model
Boeing 73779P
Aircraft serial
29361
Aircraft time
47,642 hours, 31,176 cycles
Part
Support
Condition
Corroded
Location
Bs 727a-807
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 AFT CARGO LH FLOOR TO SIDEWALL SUPPORT; BS 727A TO BS 807; LBL 21; WL 156 / REMOVED CORROSION AT ACB L/H FLOOR TO SIDEWALL SUPPORT BS727A TO BS807 LBL21 WL156 MAX MAT REMOVED IS MORE THAN 50% OF ORIGINAL THICKNESS; THEREFORE; FOUND TO BE OUT OF LIMITS; REMOVED AND REPLACED ACB L/H FLOOR TO SIDEWALL SUPPORT BETWEEN BS727 TO BS847 WITH REPAIR SPLICE BETWEEN BS747 AND BS767 L/H IAW SRM 53-00-53-1A-2; SRM 53-00-53.-2R-6 AND DWG# 146A7500

More about the Boeing 737-79P