SDR HALA2015031000033

Service difficulty report · Regulator Valve · Boeing 76733A

Difficulty date: March 10, 2015
Submitted: March 11, 2015
Operation: Air carrier
Aircraft: N580HA
Make and model: Boeing 76733A
Aircraft serial: 28140
Aircraft time: 49,487 hours, 9,015 cycles
System (JASC): 3610 · Pneumatic Distribution System
Part: Regulator Valve
Condition: Unknown
Location: Lt Engine
Stage of operation: CL
How discovered: O
Nature of condition: J
Precautionary procedure: A

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

ETOPS SIGNIFICANT EVENT, LT ENGINE PRV EICAS ILLUMINATED ON CLIMBOUT. R & R LT ENGINE PRESSURE REGULATING VALVE IAW AMM 36-11-18-004-001-002, AND AMM 36-11-18-404-017-002. LEAK AND OPS CK OK. RAN ENGINE IAW AMM 71-00-00. BLEED OPS NORMAL. LT ENGINE PRV DID NOT ILLUMINATE, OK FOR SERVICE.

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