Service difficulty report · Pressure Blkhd · Boeing 7377H4

Difficulty date
August 26, 2020
Submitted
September 22, 2020
Operation
Air carrier
Aircraft
N709SW
Make and model
Boeing 7377H4
Aircraft serial
27843
Aircraft time
74,940 hours, 44,603 cycles
Part
Pressure Blkhd
Condition
Corroded
Location
Bs 1016
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 INNER SURFACE OF BS 1016 PRESSURE DOME ON FWD SIDE RBL 2 TO LBL 1 WL 191. EVALUATED CORROSION ON INNER SURFCE OF BS 1016 PRESSURE DOME FWD SIDE. RBL 2-LBL 1 FOUND TO BE OUT OF LIMITS. REPAIRED BS 1016 PRESSURE BLKHD WEB, PER ER 20-03169 REV A EA 20-153-01658 REV 1.

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