Service difficulty report · Cap · Boeing 7378H4

Difficulty date
December 7, 2019
Submitted
April 13, 2022
Operation
Air carrier
Aircraft
N8306H
Make and model
Boeing 7378H4
Aircraft serial
36983
Aircraft time
26,834 hours, 11,654 cycles
Part
Cap
Condition
Corroded
Location
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

PASSENGER CABIN. STA 947; LBL 52; WL 208; TOP SIDE OF T-CAP HAS CORROSION RUNNING UNDER LAV MOUNT. / REMOVED L/H LAV MOUNT STA 942 LBL 52; REMOVED CORROSION ON TOP SIDE OF T-CAP; EVALUATED MATERIAL LOSS; ORIG T. .180'; REMAINING .140';FOUND TO BE OUT OF LIMITS;HFEC BLENDED AREA AND OPEN HOLE; NO DEFECT NOTED; TREATED; PRIMED; REINSTALLED LAV MOUNT AT STA 947 LBL 52 USING REPAIR SHIM IAW SRM 53-70-51-2R-8 PAR H.; SRM 51-10-02-0G-0; SRM 53-70-51-1A-1 FIG 104 DETAIL C; B737 NDT PT 6 51-00-00 PROC 23 AND PROC 16; AMM 51-21-41-370-803. AMM 51-21-72-370-804 VERIFIED CORROSION REMOVAL WITH 10X MAGNIFYING GLASS. TOOL # 29271 DUE 04/03/20

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