Service difficulty report · Cap · Boeing 7377H4

Difficulty date
April 27, 2022
Submitted
May 31, 2022
Operation
Air carrier
Aircraft
N479WN
Make and model
Boeing 7377H4
Aircraft serial
33990
Aircraft time
59,976 hours, 35,850 cycles
Part
Cap
Condition
Corroded
Location
R2 Door
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

R2 DOOR LOWER INNER CHORD HAS SEVERAL SPOTS OF CORROSION AT STA 897 TO STA 1007 / EXFOLIATED CORROSION NOTED AT R2 LOWER INNER CHORD BETWEEN STA 897 TO STA 1007 AND FOUND OUT OF LIMITS IAW B737-700 SRM 51-10-02-0G-0. REMOVED R2 LOWER INNER CHORD BETWEEN STA 897 TO STA 1007 IN REF B737-700 SRM 51-40-02-0G-0; LOCATED AND DRILLED R2 DOOR INNER CHORD ; PER REF 737 SRM 51-40-05-0G-0; TREATED AND PRIMER FASTENERS HOLES PER REF 737 AMM 51-1-1-370-802 AND 51-21-72-370-804 ON R2 DOOR INNER CHORD;] INSTALLING FASTENERS ON R2 DOOR INNER CHORD I.A.W. 737-700 SRM 51-10-02-0G-0. INSTALLED R2 DOOR INNER CHORD BETWEEN STA 897 AND STA 1007; PER REF 737-700; SRM 51-40-02-0G-0 AND DRAWING # 147A8501

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