Service difficulty report · Fairing · Boeing 7377H4

Difficulty date
May 11, 2023
Submitted
June 16, 2023
Operation
Air carrier
Aircraft
N437WN
Make and model
Boeing 7377H4
Aircraft serial
29832
Aircraft time
66,985 hours, 39,591 cycles
Part
Fairing
Part number
UNKNOWN
Condition
Cracked
Location
Zn 200 Fus Top
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

FUSELAGE MID FWD FAIRING ACCESS PANEL # 191D BULGING/CRAKED FASTENER HOLES<[01] REPAIRED DAMAGE FASTENERS HOLES AS MARKED ON FUSELAGE MID FWD. FAIRING ACCESS PANEL #191D WITH A PERMANENT REPAIR AS PER B737 SRM 51-70-04-2R-9. MATERIALS USED PO#1776837; PO#1800550 AND PO#1738579.;[02] PERFORMED TAP TEST ON REPAIRED AREA OF ACCESS PANEL #191D; FOUND NO DELAMINATION AS PER B737 NDT 51-05-01 SECTION 5;[03] REPAIRED DAMAGE FASTENERS HOLES AS MARKED ON FUSELAGE MID FWD. FAIRING ACCESS PANEL #191D WITH A PERMANENT REPAIR AS PER B737 SRM 51-70-04-2R-9. MATERIALS USED PO#1776837; PO#1800550 AND PO#1738579. PERFORMED TAP TEST ON REPAIRED AREA OF ACCESS PANEL #191D; FOUND NO DELAMINATION AS PER B737 NDT 51-05-01 SECTION 5. APPLIED PRIME AND TOP COAT ON FUSELAGE MID FWD FAIRING ACCESS PANEL #191D REF B737 AMM 51-21-72-370-804 AND 51-21-73-370-803;[04] FINAL INSPECTION; FASTENER'S HOLE REPAIRED AND PRIMER AND TOP COAT APPLIED.

More about the Boeing 737-7H4