Service difficulty report · Structure · Boeing 73776N

Difficulty date
November 13, 2021
Submitted
December 13, 2021
Operation
Air carrier
Aircraft
N7722B
Make and model
Boeing 73776N
Aircraft serial
32668
Aircraft time
49,599 hours, 25,042 cycles
Part
Structure
Condition
Corroded
Location
Fuselage
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

RT OVERWING EMERGENCY EXIT CUTOUT STRUCTURE IS CORRODED ON THE LWR SILL, BS 635-619 RBL 71. SIX RIVETS REMOVED FOR ACCESS IAW SRM 51-40-02-0G-0. CORROSION REMOVED EMERGENCY EXIT CUTOUT STRUCTURE LOWER SILL WEB IAW SRM 51-40-15-1A-1, DAMAGE ALLOWED 1 PARAGRAPH 2.A. WITHIN LIMITS IAW SRM 53-40-15-1A-1. BS 625 OUT OF LIMITS DUE TO PROXIMITY TO DRAIN HOLE PER SRM 53-40-15-1A-1 FIG 102. BLEND MEASURES .9' X .4' X .001'. BLEND OUT AT BS 625 REPAIR ACCOMPLISHED ON 21-153-03550-WIP1. APPLIED CHEMICAL CONVERSION COATING & PRIMER IAW SRM 51-20-01 AND SOPM 20-41-02 AND INSTALLED RIVETS IAW SRM 51-40-02 AND DWG 144A8201.

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