Service difficulty report · Tee Angle · Boeing 7377H4

Difficulty date
June 6, 2025
Submitted
July 7, 2025
Operation
Air carrier
Aircraft
N297WN
Make and model
Boeing 7377H4
Aircraft serial
32542
Aircraft time
57,549 hours, 34,726 cycles
Part
Tee Angle
Condition
Corroded
Location
Zone 200
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

CORROSION ON BS986 UPPER T-CHORD PREVIOUS REPAIR AT NUTPLATE HOLES AT RBL40 AND RBL43<[01] REMOVED AND REPLACED BS986 UPPER T-CHORD PREVIOUS REPAIR R/H IAW SRM 51-40-02 AS SHOWN IN SWA EA 23-153-02176 REV 1.;[02] REJECT: 2 EA COLLARS MISSING AT REPAIR AREA; BS 986 T-CHORD RBL 40 APPROX; MARKED;[03] INSTALLED 2 EA HILOKS IAW SRM 51-40-02 AS SHOWN IN SWA EA 23-153-02176 REV 1.;[04] VERIFIED CORRECTIVE ACTION

More about the Boeing 737-7H4