Service difficulty report · Angle · Boeing 7377H4

Difficulty date
August 4, 2021
Submitted
September 7, 2021
Operation
Air carrier
Aircraft
N449WN
Make and model
Boeing 7377H4
Aircraft serial
32469
Aircraft time
60,089 hours, 35,684 cycles
Part
Angle
Condition
Corroded
Location
Bs 967-986
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 SILL ANGLE;BETWEEN STA967 AND STA.986.5 CORRORED/ ; / [01] REMOVED CORROSION AT R2 DOOR SILL ANGLE BETWEEN STA967 AND STA986.5AS PER REF B737 SRM 51-10-02-; [02] VERIFIED STEP 1.; [03] PERFORMED UT THICKNESS INSP ON REWORKED AREA AT R2 DOOR LOWER SILL ANGLE IAW B737 NDT P4 51-00-00 PROC.3; MIN THK. NOTED 0.083'<BR>TOOL USED : OLYMPUS 27MG B/C 172139; [04] ORIGINAL MATERIAL TLCKNESS 0.100' MATERIAL REMOVED0.017' MATERIAL REMAINING 0.083' FOUND OUT OF LIMITS AS PER REF B737 SRM 53-70-15-1A-1; [26] REPAIR ACCOMPLISHED AS PER EA 21-153-02422; REFER TO 21-153-02422-DTI FOR TRACKING OF STAGE 3 APPROVAL; [27] (RII) VERIFIED STEPS 25 AND 26.

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