Service difficulty report · Support Angle · Boeing 7377H4

Difficulty date
February 4, 2018
Submitted
February 9, 2022
Operation
Air carrier
Aircraft
N711HK
Make and model
Boeing 7377H4
Aircraft serial
27845
Aircraft time
69,547 hours, 41,754 cycles
Part
Support Angle
Condition
Corroded
Location
Main Cabin
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

LEFT HAND; L1 DOOR SILL PLATE; SUPPORT STRUCTURE HAS MULTIPLE AREAS OF CORROSION / BLENDED OUT CORROSION AT L1 DOOR SILL PLATE SUPPORT ANGLE IAW B737 SRM 51-10-02. ORIGINAL THICKNESS 0080'; MATERIAL LOSS 0.020'. THE MATEIRAL REMAINING 0.060'; THE AREA FOUND TO BE OUT OF LIMIT IAW B737-700 SRM 53-80-15-1A-1. LOCATED AND DRILLED NEW ANGLE P/N: 141A842-20 IAW B737-700 SRM 51-40-05 AND DWG: 141A840 REV:-. INSTALLED NEW ANGLE IAW B737-700 SRM 51-40-02 AND DWG 141A8110 REV:- ATAG: WN 0016

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