Service difficulty report · Angle · Boeing 7378H4

Difficulty date
May 4, 2020
Submitted
April 8, 2021
Operation
Air carrier
Aircraft
N8630B
Make and model
Boeing 7378H4
Aircraft serial
42521
Aircraft time
21,486 hours, 9,478 cycles
Part
Angle
Condition
Corroded
Location
Fwd Cargo
Stage of operation
IN
How discovered
V
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

FWD CARGO COMPARTMENT; RBL 25; WL 156; STA 500A TO STA 500I; Z-ANGLE HAS NUMEROUS AREAS OF CORROSION AND BARE ALUMINUM; MARKED. / REMOVED CORROISON FROM FWD CARGO BAY R/H Z-ANGLE RBL 25 WL 156 STA 500A TO 500I IAW SRM 51-10-02-0G-0 AND INSPECTED WITH 10X MAG GLASS. NO DEFECTS NOTED. VERIFIED LIMITS: ORIGINAL T= .040' REMAINING T=.030' LOSS =.010' LIMIT = .004' FOUND TO BE OUT OF LIMITS IAW SRM 53-00-53-1A-2 FIG 103 DET D. REMOVED R/H FWD CARGO BAY ZEE ANGLE FROM STA 500A TO 500I IAW SRM 51-40-02-0G-0 FABRICATED REPAIR PARTS IAW SRM 53-00-53-2R-5. INSTALLED REPAIR PARTS IAW SRM 53-00-53-2R-5 AND SRM 51-40-02-0G-0. APPLIED CIC TO REPAIR PARTS IAW AMM 51-21-91-620-802 P/N 143A7501-188

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