Service difficulty report · Tee Fitting · Boeing 757351

Difficulty date
April 1, 2021
Submitted
April 5, 2021
Operation
Air carrier
Aircraft
N587NW
Make and model
Boeing 757351
Aircraft serial
32986
Aircraft time
62,752 hours, 20,213 cycles
Part
Tee Fitting
Condition
Cracked
Location
Intercostal
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

SHIP 5807 AWR: A.A: HIDDEN DAMGE: ELONGATED HOLE ON INTERSCOSTAL TEE CLIP AND FRAME STA. 1640, S-14L AT INNER FUSELAGE STRUCTURE. CORRECTIVE ACTION: SUMMARY OF NRC 00362: HOLE ON INTERSCOSTAL TEE CLIP AND FRAME STA. 1640, S-14L AT INNER FUSELAGE STRUCTURE WAS REPAIRED PER ER/A: 590914-14 AD, REV. ORIGINAL. (1770581)