What was found
NR 1 ENG WEEP TUBE IS CLOGGED HAS NUT STUCK IN END OF TUBE. DURING ROUTINE INSPECTION IAW EC4141-1 FOUND TUBE BLOCKED. IAW MM 72-00-88 PG628 STEP 4 TUBE TO BE CLEARED WITHIN 100 CYCLES OR ENGINE REPLACED.
- Difficulty date
- October 6, 2013
- Submitted
- October 10, 2013
- Operation
- Air carrier
- Aircraft
- N772UA
- Make and model
- Boeing 777222
- Aircraft serial
- 26930
- Aircraft time
- 724,410 hours, 12,894 cycles
- Engine
- Pwa PW4077
- System (JASC)
- 7170 · Engine Drains
- Part
- Drain
- Condition
- Blocked
- Location
- Nr 1 Engine
- 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.